Is XEN aware of my domUs?

I'm relatively new to OracleVM. (Unfortunately) I have frequent power failures at my home and I would like to configure my domUs to auto start after power failure. I've been unable to do this thus far. I've created all my domUs via the Oracle VM Manager.
This system is using OracleVM 2.2.
dom0 Info
[root@ovm ~]# uname -a
Linux ovm 2.6.18-128.2.1.4.25.el5xen #1 SMP Tue Mar 23 12:43:27 EDT 2010 i686 i686 i386 GNU/LinuxI tried the method in this thread: {thread:id=1021912}, but it didn't work.
domUs
[root@ovm ~]# ls -l /OVS/running_pool/
total 0
drwxrwxrwx 2 root root 3896 Oct 8 09:57 30_ora112standby
drwxrwxrwx 2 root root 3896 Oct 8 09:55 32_ora112primary
[root@ovm ~]# ls -l /etc/xen/auto/
total 0
lrwxrwxrwx 1 root root 41 Sep 26 10:16 30_ora112standby -> /OVS/running_pool/30_ora112standby/vm.cfg
lrwxrwxrwx 1 root root 41 Sep 26 10:17 32_ora112primary -> /OVS/running_pool/32_ora112primary/vm.cfgSo after looking through the documentation I figured I'd use the xm list command to list the domUs after server reboot. However, I didn't get what I expected:
[root@ovm ~]# xm list
Name ID Mem VCPUs State Time(s)
Domain-0 0 563 4 r----- 1105.0I expected 30_ora112standby, and 32_ora112primary to be listed in a shutdown state.
When I start the domUs via the Oracle VM Manager, and run xm list, they are listed.
So as I said before I am trying to get my domUs to start after power failure. However as I fall down the rabbit hole it seems as if xen may not be fully aware of my VMs.
Again, I'm completely new to the Oracle VM environment so I may be missing something extremely simple. I've tried to pour through the Oracle VM 2.2 documentation but I can't seem to find what I'm looking for.
Thanks for the help and if you need anything let me know.
:)

Hi,
you are on the rigt way. But there seemed to be a timing problem with service starting from ovs_agent and xen. When xen tryes to start the configured vms at boot time, the OVS directory system is not yet online.
Look at this post: http://run.tournament.org.il/oracle-vm-post-install-check-list/
It did it for me.
have a nice day
Michael

Similar Messages

OEL 5.7 UEK will NOT boot on OVM 3.0.3

I just installed Oracle VM 3.0.3, and everything seems fine. I created my first VM, using an OEL 5.7 to create an HVM.
The installation seemed okay, but the UEK kernel will NOT boot after the install. The 2.6.18 kernel boots just fine, however. If I try to boot the UEK kernel, it fails to find any volume group at all. Any ideas what's wrong? Surely, this isn't supposed to happen.
Here's my grub.conf, if that matters:
# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
# initrd /initrd-version.img
#boot=/dev/hda
default=0
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Oracle Linux Server (2.6.32-200.13.1.el5uek)
root (hd0,0)
kernel /vmlinuz-2.6.32-200.13.1.el5uek ro root=/dev/VolGroup00/LogVol00 rhgb quiet
initrd /initrd-2.6.32-200.13.1.el5uek.img
title Oracle Linux Server-base (2.6.18-274.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-274.el5 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
initrd /initrd-2.6.18-274.el5.img

Terry Phelps wrote:
The installation seemed okay, but the UEK kernel will NOT boot after the install. Yes, this is a known issue. Oracle Linux 5 uses the Red Hat compatible kernel during the installation, but boots into the UEK. The RHEL kernel uses the emulated drivers as it is not Xen aware, while the UEK is a paravirt_ops kernel. However, once it sees the Xen drivers, it crashes because it has no Xen drivers in the initrd built by the installer.
This is a known Oracle Linux HVM guest issue: http://oss.oracle.com/ol5/docs/RELEASE-NOTES-U7-en.html#known_issues
It's also one of the reasons why I recommend installing Oracle Linux as a PVM guest (not just for all the performance benefits you get from PVM).
So, to boot OL5U7, you pass xen_emul_unplug=never on the kernel boot line, which allows the machine to boot with the emulated devices, i.e. they are not unplugged.
Then, edit /etc/modprobe.conf to replace the emulated devices with xen-netfront and xen-blkfront:
alias eth0 xen-netfront
alias scsi_hostadapter xen-blkfrontThen, rebuild initrd:
# mkinitrd -f -v --builtin=ehci-hcd --builtin=ohci-hcd --builtin=uhci-hcd /boot/initrd-`uname -r`.img `uname -r`And reboot. You may get kudzu renaming ifcfg-eth0 to ifcfg-eth0.bak on reboot, because it detects "new" hardware. If so, just rename it back and it should be fine.

Requesting some changes for xen PKGBUILD to work with --enable-ovmf

For background about this issue, you may want to read these two E-Mails to edk2 Mailing List:
http://sourceforge.net/p/edk2/mailman/e … sg32776907
http://sourceforge.net/p/edk2/mailman/e … sg32793684
Basically, it goes like this:
- Xen can be compiled with the optional --enable-ovmf option, so it can make DomU VMs using UEFI Firmware. Instructions here:
http://wiki.xen.org/wiki/OVMF
This can be done in Arch Linux by adding in the ./configure line of PKGBUILD --enable-ovmf, adding an additional step where makepkg downloads Source Code from edk2 repository.
- Currently, it fails to build that way with this error:
http://lists.xen.org/archives/html/xen- … 02855.html
This error is caused because the edk2 Source Code that xen pulls during build is fresh and doesn't include any patch to make it aware that Arch Linux has both Python 3 (python) and Python 2 (python2). By default, it tries to compile with Python 3, so it fails.
- Assuming than the Python version issue was fixed (I did it in a non-elegant way, replacing /usr/bin/python with /usr/bin/python2), it will still fail with this error:
https://bugs.archlinux.org/task/40277
https://aur.archlinux.org/packages/ovmf-svn/ (Some of the latest comments)
This error is caused by building with GCC 4.9, earlier versions seems unaffected.
The AUR has also a very similar package (If not identical) that is based on edk2 Source Code, the same which xen downloads while building, ovmf-svn:
https://aur.archlinux.org/packages/ovmf-svn/
This one has a PKGBUILD which includes some lines that seem to point that it is aware of both the python version issue, and the GCC 4.9 build issue, by providing a patch:
https://aur.archlinux.org/packages/ov/ovmf-svn/PKGBUILD
Reelevant lines seems to be these ones:
msg "Fix GenFw: ERROR 3000: Invalid, Unsupported section alignment"
patch -Np1 -i "${srcdir}/edk2-basetools-add-gcc4.9-support.patch" || true
patch -Np1 -i "${srcdir}/edk2-ovmfpkg-add-gcc4.9-support.patch" || true
msg "Use python2 for UDK BaseTools"
sed 's|python |python2 |g' -i "${EDK_TOOLS_PATH}/BinWrappers/PosixLike"/* || true
sed 's|python |python2 |g' -i "${EDK_TOOLS_PATH}/Tests/GNUmakefile"
I didn't found any info regarding if Xen can work with OVMF ready-to-use binaries, or either building ovmf-svn, which I didn't tested but I suppose should build properly. All instructions regarding using Xen with OVMF request that it is added as option during build time. This forces me to have to modify the edk2 Source Code that xen downloads.
Basically, what I want to request is if xen PKGBUILD can be modified to include a statement that checks if --enable-ovmf is being used, then make the appropriate changes to the edk2 Source Code that gets downloaded while building Xen so it successfully builds. This could *POSSIBILY* be based on existing ovmf-svn PKGBUILD code.
This change could also be applied to other xen-based packages that can also be builded with --enable-ovmf and presents the same issues.

FINALLY managed to get this thing working:
http://i.imgur.com/ZWTRcn0.png
I tried to build xen with --with-system-ovmf= as suggested like ten times or so, with no success. While xen seemed to build fine, when I tried to create a UEFI DomU, it simply opens and inmediately closes, through if using SeaBIOS worked fine. On xen IRC there was another Arch Linux user claiming that he recently got Xen with OVMF working using that parameter and the bios.bin binary from the ovmf-bin package from AUR. Installing ovmf-bin then providing xen the full path (--with-system-ovmf=/usr/share/ovmf/bios.bin) didn't worked, neither building ovmf-svn myself then using ovmf_x64.bin (Or renaming it to OVMF.fd, ovmf.bin, etc). It always builded perfectly, yet it failed to make a UEFI DomU. Still, both Firmwares worked when using qemu from the official Arch Linux repository (Note that ovmf-bin bios.bin is 1 MiB in size while ovmf-svn ovmf_x64.bin is 2 MiB, not sure what accounts for the difference).
So how I got it working? A bit complex:
- While in my first post I mention that ovmf-svn had a patch for GCC 4.9, it seems than the patch was removed in the last two days. Without the patch, ovmf-svn still builded properly, so I expected than the GCC 4.9 fix got included in edk2 Source Repository. This was blocking me earlier, so decided to give --enable-ovmf another go.
- Renamed python2 to python as a workaround to not have to touch the edk2 tree that xen downloads, which worked the last time.
- Used makepkg with --enable-ovmf in the PKGBUILD ./configure line. I expected it to work due what I mentioned earlier, but it still fails with the GCC 4.9's GenFw: ERROR 3000.
- As a last resort measure, I decided to try to merge into xen the source that ovmf-svn PKGBUILD modifies, as that one builds properly.
- I replaced all the directories inside xen/src/xen-4.4.1/tools/firmware/ovmf-dir-remote/ with the ones from ovmf-svn/src/tianocore-edk2-svn_build/. Not all directories were replaced, seems than ovmf-svn just downloads the parts of the tree required for building the OVMF Firmware, not everything, which xen does.
- Used makepkg again, which used the existing source to try to build again.
- It builded, no python or GenFw error. Installed the new package, rebooted, tried to make the UEFI DomU and BAM! There it is, as you can see in the Screenshot.
Why can some users get this running with just providing bios.bin from ovmf-bin while I have to do a walk around the globe is anyone guess...
To not derail this request further, I can say the following:
- Assuming than --with-system-ovmf= works consistently, which for me didn't, is currently possible to build Xen with OVMF, so making a more complex PKGBUILD to be able to use --enable-ovmf may not be needed.
- --enable-ovmf is still useful because it may reduce a two-step process (Installing ovmf-bin or building ovmf-svn) into one, through I'm not sure if there are pros/cons for each approach besides than you will have latest OVMF version compared to the ready-to-use binary. It also makes xen package more compatible with the mainstream Xen instructions, as --with-system-ovmf= is quite unknow.
These decisions are for kantras to make.
Last edited by zir_blazer (2014-09-06 06:54:02)

Kona 3 [and XENA] for FCP Questions

Is the XENA 2Ke compatible with the Macintosh platform and FCP, and if so which is the recommended version of OSX and FCP?
I have previously read someone stating that you can use this card on both platforms therefor negating the need to purchase a Mac only Kona 3.
I am doubtful of this however your immediate response / confirmation / denial of this is greatly appreciated.
ALSO
Is anyone aware of news relating to an upgrade of the Kona 3 card [ie Kona 4 or a Mac and PC compatible XENA card]?
I am looking at assembling a new HD online capable suite in the next few weeks and am hoping to avoid purchasing ie a Kona 3 card just before the release of [theoretically] a Kona 4 card [possibly at NAB 08]. Being that 4K / Red post are and should be at a premium in the coming months I would like to assemble a post solution that can handle for example a short form 4K online [if possible].
I know I am dealing with a lot of what-ifs but for the investment I need to make I will be asking similar questions to these everywhere I can including the forums such as this.

Anyone / everyone please feel free to comment
Hi Jerry
First and foremost, thank you very much for your detailed reply.
1. Hmmmm. "AJA, is there something in the air too?" [lol].
I just love the thought of new gear and technology... and AJA furthering its hardware support of RED in FCP, looking forward to any NAB developments.
*2. Regarding the Xena-2Ke for Mac.* Just received a reply from AJA Tech Support stating the following:
+"Hi Mitch,+
+The Xena-2Ke is compatible with Mac OSX 10.3.x, 10.4.x and 10.5.x running+
+the appropriate Kona 3 driver.+
+On the other hand A Kona 3 is not compatible with Windows.+
+Let us know if you have more questions.+
+Thank you,+
Rudy
+Rudy Van Ko+
+AJA Video Technical Support+
+Email: [email protected]+
+Phone: 530-271-3190+
+AJA Video Systems+
+443 Crown Point Circle+
+Grass Valley, CA 95945"+
Interesting...
*3. Monitoring 2K?* What are you using to monitor 2K, HD Jerry?
Many guys in similar situations to myself over here in Australia are using Apple Cinema Displays with a Decklink HD-Link Pro box for monitoring. Obviously the 30" Cinema Display has the resolution to handle 2K monitoring but is it suitable in your view?
Realistically I am looking at offering an immediate service based mainly on a HD offline / online workflow. I would however like to future proof myself as best I can by assembling hardware that can handle 2K with reliability, stability and to reasonable levels of accuracy and complexity.
*Up until now [NAB] I've been looking at something in the order of the following setup:*
*Online Machine*
Two 3.2GHz Quad-Core Intel Xeon (8-core)
8gb RAM
1TB 7200-rpm Serial ATA 3GB/s
NVIDIA Quadro FX 5600 1.5GB (Stereo 3D, two dual-link DVI)
One 16x SuperDrive
AirPort Extreme card (Wi-Fi)
Apple wireless Mighty Mouse
Apple Wireless Keyboard
*Third Party Card / Hardware IO:*
Kona 3 with K-Box
*Offline Machine:*
Two 3.2GHz Quad-Core Intel Xeon (8-core)
4GB (2 x 1GB)
1TB 7200-rpm Serial ATA 3GB/s
NVIDIA GeForce 8800 GT 512MB (Two dual-link DVI)
One 16x SuperDrive
AirPort Extreme card (Wi-Fi)
Apple wireless Mighty Mouse
Apple Wireless Keyboard
Monitoring:
JVC DT-V24L1DGE 1920x1080 Pro HD LCD with 1:1 pixel monitoring / no scaling and all the regular / required inputs and features
*BUP / Archival Purposes / Proofs:*
Lacie D2 Ext Blu Ray Burner
Storage:
Caldigit's HD Pro OR G Technology's G Speed OR G Speed es [though not sold on G Speed es - great price point but really doesn't have the sustained drive speeds. Great for online SD, Pro Res and possibly basic DVCPro HD / HD Sequences etc. [www.g-technology.com states "Two G-SPEED eS units and the G-Tech PCIe RAID controller support all of the above plus 10-bit, 1080i/60 HD playback in RAID 0 or RAID 5 mode."]. Will be looking into the new Apple owned Promise RAIDs too; your thoughts on these? Unfortunately I don't really have the budget for SANman, X-Serve, Fibrejet etc solutions at present but for the right job, that would obviously change.
I really appreciate the idea of how you are working with 2K, though your description was not really that detailed it definitely sounds smooth. Do you think that I am heading in the right direction in your opinion with the gear I have in mind, and is the minimum 2K future proofing concept I have a valid one?
Thanks for taking the time to read this post, and hopefully reply to some or all.
Anyone / everyone please feel free to comment.

[SOLVED] AMD Microcode update failed (on Xen host)

I have an Arch system running as a VM Host based on Xen 4.4.1
It is yet unclear to me why the VMHost (Dom0) cannot update the CPU microcode of the AMD Opteron 3365.
The following errors appear.
[ 9.664531] microcode: CPU0: patch_level=0x0600081c
[ 9.664548] microcode: CPU1: patch_level=0x0600081c
[ 9.664566] microcode: CPU2: patch_level=0x0600081c
[ 9.664580] microcode: CPU3: patch_level=0x0600081c
[ 9.664593] microcode: CPU4: patch_level=0x0600081c
[ 9.664607] microcode: CPU5: patch_level=0x0600081c
[ 9.664624] microcode: CPU6: patch_level=0x0600081c
[ 9.664639] microcode: CPU7: patch_level=0x0600081c
[ 9.664723] microcode: Microcode Update Driver: v2.00 <[email protected]>, Peter Oruba
[ 18.344286] microcode: CPU0: update failed for patch_level=0x06000832
[ 18.345579] microcode: CPU1: update failed for patch_level=0x06000832
[ 18.346899] microcode: CPU2: update failed for patch_level=0x06000832
[ 18.348202] microcode: CPU3: update failed for patch_level=0x06000832
[ 18.349488] microcode: CPU4: update failed for patch_level=0x06000832
[ 18.350776] microcode: CPU5: update failed for patch_level=0x06000832
[ 18.352063] microcode: CPU6: update failed for patch_level=0x06000832
[ 18.353352] microcode: CPU7: update failed for patch_level=0x06000832
I am aware that Xen can do some early loading of microcodes, since I have found clues in the Xen git logs.
But I guess Xen does not update the microcode, since the OS in Dom0 believes it is necessary to update the microcode.
Does anybody have a clue why updating the CPU microcode from within Dom0 fails?
Last edited by ArthurBorsboom (2015-01-10 12:45:29)

I have solved the issue by using the Xen early microcode loading with the following changes.
Copy the correct microcode binary to the boot folder.
sudo cp /lib/firmware/amd-ucode/microcode_amd_fam15h.bin /boot
Edit the Xen command line in /etc/xen/grub.conf from
XEN_HYPERVISOR_CMDLINE="dom0_mem=1024M,max:1024M xsave=1"
to
XEN_HYPERVISOR_CMDLINE="dom0_mem=1024M,max:1024M xsave=1 ucode=-1"
Hardcode the /etc/grub.d/09_xen configuration file to load the binary.
From
menuentry "Xen ${XEN_VERSION} / Arch Linux ${_KERNEL_PKG_} kernel" ${CLASS} {
$(save_default_entry)
if [ x\$feature_all_video_module = xy ]; then
insmod all_video
fi
set gfxpayload=keep
insmod ${BOOT_PART_FS}
if [ x\$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root ${BOOT_PART_HINTS_STRING} ${BOOT_PART_FS_UUID}
else
search --no-floppy --fs-uuid --set=root ${BOOT_PART_FS_UUID}
fi
echo '$(printf "Loading Xen %s ..." ${XEN_VERSION})'
multiboot ${REAL_DIR}/${XEN_BASENAME} ${REAL_DIR}/${XEN_BASENAME} ${XEN_HYPERVISOR_CMDLINE}
echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel ...'
module ${REAL_DIR}/${_KERNEL_FILE_} ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel initramfs ...'
module ${REAL_DIR}/${_INITRAMFS_}
To
menuentry "Xen ${XEN_VERSION} / Arch Linux ${_KERNEL_PKG_} kernel" ${CLASS} {
$(save_default_entry)
if [ x\$feature_all_video_module = xy ]; then
insmod all_video
fi
set gfxpayload=keep
insmod ${BOOT_PART_FS}
if [ x\$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root ${BOOT_PART_HINTS_STRING} ${BOOT_PART_FS_UUID}
else
search --no-floppy --fs-uuid --set=root ${BOOT_PART_FS_UUID}
fi
echo '$(printf "Loading Xen %s ..." ${XEN_VERSION})'
multiboot ${REAL_DIR}/${XEN_BASENAME} ${REAL_DIR}/${XEN_BASENAME} ${XEN_HYPERVISOR_CMDLINE}
echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel ...'
module ${REAL_DIR}/${_KERNEL_FILE_} ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS}
echo 'Loading Arch Linux ${_KERNEL_PKG_} kernel initramfs ...'
module ${REAL_DIR}/${_INITRAMFS_}
echo 'Loading AMD Microcode'
module ${REAL_DIR}/microcode_amd_fam15h.bin
Rebuild the grub configuration file
sudo grub-mkconfig -o /boot/grub/grub.cfg
And reboot
Check with the following command that Xen is running
dmesg | grep xen
Check with the following command that the microcode has the correct version
[arthur@orion1695 ~]$ dmesg | grep microcode
[ 9.379631] microcode: CPU0: patch_level=0x06000832
[ 9.379645] microcode: CPU1: patch_level=0x06000832
[ 9.379662] microcode: CPU2: patch_level=0x06000832
[ 9.379676] microcode: CPU3: patch_level=0x06000832
[ 9.379692] microcode: CPU4: patch_level=0x06000832
[ 9.379710] microcode: CPU5: patch_level=0x06000832
[ 9.379724] microcode: CPU6: patch_level=0x06000832
[ 9.379738] microcode: CPU7: patch_level=0x06000832
[ 9.379823] microcode: Microcode Update Driver: v2.00 <[email protected]>, Peter Oruba
[arthur@orion1695 ~]$
And as you see in this example, there is no attempt to update the microcode anymore, since it is already up-to-date.
I hope this helps other people facing this issue.

Arch as Xen DomU or standalone install?

Hi fellow Archers.
To mods: please move the post to appropriate section if this is not one
I have some questions on virtualisation, file servers and Arch.
I want to build my NAS box, with expand-ability in mind. I would love to use Arch as the OS to serve files and to be WWW/development server as well.
My hardware options so far are:
Case: tower
CPU: Sempron X2 (cheap, 50% less energy than Intel/Athlons)
RAM: 16GB (it's dirt cheap anyway)
OS Disk: either 30G+ SSD or 500G Hybrid (more on this later)
Data disks: 3 or 4 TB Green disks (5400RPM)
I am pretty comfy with CLI
I can do either single Arch install to be file server, dev machine etc.
OR
I was thinking on using Arch (or other distro if better) as Xen Dom0 and on top of it have specialised DomUs (Arch of course)
Single install would use SSD variant, while Xen/VMs would sit on 500GB Hybrid drive.
When should I start, what choice shall I make?
Is it insanely difficult to setup & manage Xen/file serving VMs?
Would the Sempron handle Xen + a couple DomUs?
I am willing to get me hands dirty, and learn but at the same time I do not want to spend endless days on setup to realise it's stupid in the first place.
[edit]: Maybe LXC or qemu would fit my bill?
Thank you in advance,
Greg.
Last edited by gbursson (2013-04-22 07:14:58)

Take a look at FreeNAS. OS goes on CF card. FreeBSD project. Might be more appropriate.

IPod touch is no longer aware of the music...

I recently updated my iPod touch to the most up-to-date firmware/software available (1.1.2 I believe, I'll fix this if I posted in error) and upon restarting my iPod and attempting to browse my music I noticed that it said I had no music.
So, I simply reconnected the iPod and hit the sync button. No dice. "OK" I thought, and I moved onto the next 'simple' fix - I changed USB ports. Again, nothing. So, I restarted the iPod touch by powering it down and turning it back on. Still no music. Restore mode? nadda. Restore through iTunes? Nothing.
I have tried virtually every method of resetting and restoring available to me. I have also ensured that iTunes was the most up to date version. I connected my iPod to iTunes and made sure that the music was actually available on the iPod itself and the music IS there and iTunes is aware of it. The iPod just isn't.
Synced pictures are showing up, but that's about it. I don't seem to have access to any music, or video, despite it's availability on the iPod. I seriously have no idea what on earth to do about this, but I need my iPod functioning.

Hello and Welcome to Apple Discussions.
Probably best if you start a new thread. Did you initially set-up this iPod touch on another Mac/PC?
Have you tried the troubleshooting steps on the Apple Support pages?
cheers
mrtotes

Best Practice Agregate Tables for agregate awarness ..

Hello,
the question i m facing now is how to improve performance trough agregate awarness. How to plan the agregate tables in order to get the best covering for reporting requirments ? How to realize maximum use of agregate tables and minimum use of Detail tables.
Is there a method / technique to do that the best way?
until now did it this way.
1. I generated a kind of select * from DetailTable. (exp. 5 Mio rows)
2. progressivly i removed one or more dimension from the statment and got for exp. only 3 Mio Rows. the removed dimension is something like Postal code of Customers or so that i get only information about city and country. Or removing Day from date so that i only have info about the month .. etc.
3. I remove further dimensions .. (less rows exp 1 Mio)
4. at the end i have 5 or 6 agregate tables candidate for use in agregate awarness ..
Is that Ok like this .. could u please share your experiences ..?
Edited by: MM on Sep 9, 2010 3:57 PM

What was already suggested is, of course, valid. You need to find out what questions your business users are asking else you run the risk of providing an answer to an unasked question. However, there are a few other tips I would like to share.
First, if you can't get an order of magnitude reduction, it's not worth the effort. Going from 5 million to 3 million rows is not good enough to consider. Going from 5 million to 500,000 rows is, as the resulting aggregate is smaller by a factor of 10. And then going from 500,000 to 50,000 could be even better.
Second, you might consider what options your database has instead of using Aggregate Aware. For example, Teradata offers the AJI or Aggregate Join Index feature which - to be honest - is far more flexible than using Aggregate Aware in the universe. Using your database means your aggregate tables are usable by any tool that hits the database, even from tools that do not hit the universe such as Crystal.
Third, and this goes back to the first point in a way, you have to be very careful in defining your aggregate path. The Aggregate Aware feature of the semantic layer is powerful but it does have limitations. For example, you have to build a linear reduction in your path. That probably doesn't make sense (and I have a draft blog post that I have to get finished one day) but here it is in a nutshell. Suppose you have five factors in your fact, call them A, B, C, D, and E. You want to build an aggregate table at the A, B level. That's fine. You can also build an aggregate at the A, C level. But you can't use both of them in the same @Aggregate_Aware() object definition. You have to build a pyramid, like this:
A
A, B
A, B, C
A, B, C, D
A, B, C, D, E
This does not work because items disappear and reappear later on, and that does not work.
A
A, B
B, C
A, C
A, D, E
A, B, C, D, E
With Teradata AJI definitions you can do this second case. It does not work in the universe, because you need one clear "best" answer at all times. In the second case, where is the single "best place" to retrieve attribute B? There isn't one, and the aggregate aware process fails.
Hope these ideas help.

Apple iPad 3. BT email not working. Cannot send emails from btconnect SMTP after iOS upgrade. This is the only difference I am aware of. Can anyone help me please.

BT email not working. Cannot send emails from btconnect SMTP after iOS upgrade. This is the only difference I am aware of. Apple iPad 3. Can anyone help me please.

All resolved at last
Deleted the SMTP setting
Recreated the SMTP using the same settings
Able to send emails now
No logic - as usual - just a bug!

Can I return my iPad in the states if I bought it at an apple store in the UAE because I wasn't aware it didn't come with FaceTime at the time?

Can I return my iPad in the states if I bought it at an apple store in the UAE because I wasn't aware it didn't come with FaceTime at the time?

Your only option is to sell the iPad and buy a new one.
Apple Reuse and Recycle Program
http://store.apple.com/us/browse/reuse_and_recycle
How to Sell Your Old iPad http://tinyurl.com/85d69lk
Other sources to sell.
eBay Instant Sell http://instantsale.ebay.com/?search=ipad
Sell and Recycle Used Electronics - Gazelle http://www.gazelle.com/
For instant gratification in selling a used iPhone or iPad, Gazelle’s Gadget Trader, an iOS app, is tough to beat. In seconds it detects the device and reveals how much it is worth in good condition. Tap the Sell This Phone to Gazelle button and the deed is done.
Sell Electronics for Cash - Next Worth http://www.nextworth.com/
Buy My Tronics http://www.buymytronics.com/
Sell Your iPad http://www.sellyourmac.com/mac-product-guides/ipad.html
Totem http://www.hellototem.com/
 Cheers, Tom

MOBILE VERSION DOES NOT WORK!!!! Is Adobe not aware that encrypted forms fail using mobile reader??

I created a PDF Form in Acrobat Pro 9, and encrypted it with a password. No other restrictions were placed on the document.
When I open the document on an android device (tablet or phone) or an iPod, it does not allow me to fill in any of the fields or apply a signature of any kind.
However, when I open the same exact form with the desktop version (Reader XI), it does allow me to fill it out and sign it with no problem.
I have no problems filling it out and applying a signature with a mobile device when the document is not encrypted.
PLEASE HELP!
I have updated all my versions to the most latest.

Yes, apparently Adobe is aware of this.
For Adobe to omit such basic functionality to its mobile version is appalling.
I would have expected this from Microsoft, but not from Adobe.

ADFS 3.0 WAP and Non-Claims-Aware Relying Party Trusts

I am attempting to migrating a Windows Claims SharePoint page to ADFS 3.0 (Windows Server 2012 R2) and the WAP (Web Application Proxy) from UAG, but are running into problems when our external users attempt to authenticate. Users from our external
domain (call it Domain2.com) have been accessing our SharePoint pages via SAML tokens but when I attempted to move them to the new WAP and off of UAG, they get a http/500 error. The WAP error log gives the following:
Warning Event ID 13016 - Web Application Proxy cannot retrieve a Kerberos ticket on behalf of the user because there is no UPN in the edge token or in the access cookie
Error Event ID 12027 - Web Application Proxy encountered an unexpected error while processing the request. Error: The specified username is invalid. (0x8007089a).
I presume the Error Event ID 12027 is because there is no UPN in the token and we are using KCD/Kerberos so I need to pass a UPN.
The ADFS server and WAP are joined to Domain1.com. Domain1.com is Active Directory and there is an account for every user in Domain2.com that is allowed access to our SharePoint Sites. These account contain the standard
info... UPN, Email Address, sAMAccountName, etc. The UPN, Email, and sAMAccountName do not always match the accounts with the Domain2.com accounts; however, we have been using an Active Directory Field labled employeeNumber that is synchronized
on both domains and we have been using a custom lookup based on the employeeNumber in AD.
When login's occur via Domain1.com, no problem, the UPN is pulled from the Active Directory Claim Provider Trust. When a user attempts to access from Domain2.com, we have configured ADFS to forwards them to an STS that collects the employeeNumber
from Domain2.com via a Web Auth SAML token. We are able to use the SAML token if we use the standard Claims-Aware Relying Party Trust (CARPT) and convert our SharePoint sites to use the trusted URN via powershell scripts, but we are trying to retain
functionality similar to how we are using UAG so we don't want to change every single SharePoint site to the SAML configuration, hence we are trying to use the Non-Claims-Aware Relying Party Trust (NCARPT)
Problem1: When we are using CARPT we can configure the custom translation for our employeeNumber lookup in AD. But CARPT uses SAML Tokens not Kerberos Tolkens so we cannot login when SharePoint is configured for Kerberos.
Problem2: When we are using NCARPT it works great when authenticating via local (Domain1.com) credentials and look's up the user in AD, but when we attempt to authenticate with remote (Domain2.com) credentials we are unable to configure the employeeNumber
lookup and ADFS doesn't just go out and make that correlation on its own.
Question1: Can I configure CARPT to use Kerberos?
Question2: If not, can I configure NCARPT to lookup the AD employeeNumber, match the UPN, and add the UPN to the token?
Question3: If neither option is available, am I just stuck with UAG or is there something out (not scheduled for EOL) there that can handle the translation between SAML and Kerberos Tokens?
Let me know if I left something out, I tend to ramble, but not sure of all the info that is needed...

Hi,
Based on the description, is there trust between domain 1 and domain 2? If not, we can try to create trust between these two domains to see if it helps.
Regarding Event ID 13016 and Event ID 12027, the following article can be referred to for more information.
Web Application Proxy Troubleshooting
https://technet.microsoft.com/en-us/library/dn770156.aspx
Besides, for ADFS questions, in order to get more and better help, it's recommended that we ask for suggestions in the following forum.
Claim based access platform (CBA), code-named Geneva
https://social.msdn.microsoft.com/Forums/vstudio/en-US/home?forum=Geneva
Best regards,
Frank Shen
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

My iPod email will not sync. It last did so three days ago. I have chnaged no settings that I'm aware of in the meantime.

Three days ago my iPod stopped syncing my email. I have IOS 8.1.2 so my software is up to date. I've changed no settings that I'm aware of. I now must check my gmail using the gmail APP. It says it's "checking for mail", but nothing shows up. How can I get my email to once again sync?

Problem solved. I deleted account and added it back in. Many thanks.

WRT1900 AC V1 - Linksys is aware that the router is not working properly. Help spread the word.

I just had a conversation with Linksys' Customer Service via chat: Daphne L. J: Hello Fernando Paramo. My name is Daphne L..
Daphne L. J: Welcome to Linksys Global Chat. Is this your initial contact or do you have a case number?
You: Case number is 04971062
Daphne L. J: Please give me 3-5 minutes to pull up and review your case.
You: OK
Daphne L. J: Thank you.
You: I have a WRT1900 AC, V1. The router is not working properly. I have disconnections every few minutes.I already installed the new firmware version and I still have the same issues. I already reset the router to factory defaults and same issues. I have changed the settings back to my personal preferences: Changed the SSID, changed the wireless security settings, changed the DNS and deactivate WPS. That's it.I'm using 5 Ghz mode with my laptops (5 Ghz adapters) and 2-4 Ghz with a few devices (Chromecast, Nintendo 3DS).
Daphne L. J: Thank you for waiting.
Daphne L. J: Please confirm if the following information is correct:
Name : Fernando Paramo
Phone Number :
E-Mail Address :
Model Number : WRT1900AC
Serial Number : 13J10609406280
Country : United States
You: That's correct.
Daphne L. J: Okay. Were you able to check if the devices have stable connection wired to the router?
You: No. I do not have devices with Ethernet ports. Well, only the cable modem.
You: But the modem is fine. No disconnections from my ISP.
You: It is the router.
Daphne L. J: Alright. What is the current firmware version of your router?
You: I tried to return the router to Wal-Mart yesterday with no luck. This is a useless device. And I have been reading comments on the community forums and a lot of people are having problems.
Daphne L. J: We are actually aware of the issue and are working on a resolution. What is the current firmware version of your router?
You: Ver. 1.1.10.167514
You: Latest one.
Daphne L. J: Yes, so you reflashed the firmware, reset and then manually reconfigure it after, not using backup configuration, is that right?
You: That's correct.
Daphne L. J: And it is intermittent on all devices connected to both 2.4 and 5 Ghz networks, is that right?
You: That's correct.
Daphne L. J: Thank you for the information. Please give ,e 3-5 minutes to verify this with my superior.
Daphne L. J: Thank you for waiting.
You: I want to send you my WRT1900 AC and get a V2 or I want a EA8500 and pay the difference myseld.
You: I do not want my current hardware.
You: It is useless for my needs.
You: I can't believe I had an older E3000 that didn't give me any problems.
Daphne L. J: We have already exhausted all possible troubleshooting steps for your concern. As verified with my Supervisor, we will forward your case to our Customer Assurance Team. They are highly technical and knowledgeable when it comes to advanced troubleshooting. They will contact you in the next 24 to 48 hours. By the way, who is your Internet Service Provider? And do you Cable or DSL connection?
You: Cable connection.
Daphne L. J: Who is your Internet Service Provider?
You: A company called .
You: How are they going to contact me?
Daphne L. J: Alright. By the way, on the device itself, on its FCC ID, please check if you have WRT1900AC or WRT1900AC v2.
You: Are you paying attention to me?
You: I already told you it's V1.
Daphne L. J: They will call or email you. Please double check if these informations are correct:
Name :
Phone Number :
E-Mail Address :
You: I told you I want to send you my WRT1900 AC and get a V2 or I want a EA8500 and pay the difference myself.
You: I want them to contact me to my email. I can't answer the phone during work hours.
Daphne L. J: We can't assure you if we will be able to replace it with Version 2 or if you are allowed to have the EA8500 instead.
Daphne L. J: Just in case, do you also have an alternate number?
Daphne L. J: Also, what time zone are you in? And what is your preferred time and day for them to contact you?
You: I have the one from my office in Mexico. Central Time. Any time is good.
Daphne L. J: So, you are currently in Mexico?
You: I work in Mexico but I have the house in USA. I live in the border.
Daphne L. J: I see. Do you have any other questions or clarifications?
You: I live 10 minutes away from the International Bridge. But that's not an issue. I bought the router at Walmart in Laredo, TX.
Daphne L. J: Thank you for the information. Would that be all for now?
You: I want a clarification: Do you realize that there is an issue with the current WRT1900 AC? Are you aware of that?
You: Because this is a very expensive router that is not working as it should be.
Daphne L. J: Yes, we are aware of the issue and are working on a resolution.
Daphne L. J: Would there be anything else you need?
You: That would be it. I will wait for you to contact me.
You: Thanks.
Daphne L. J: Alright. Thank you for giving us an opportunity to serve you through Linksys Live Chat. You may also visit our support site at www.linksys.com. For your reference, your case number is 04980394. Thank you for choosing Linksys and have a great day! We paid $250 for this piece of equipment. That's a lot of money for a device that doesn't work. I just want to get a V2 replacement, or better yet, an exchange for a EA8500. We should all demand this. It is not fair for us. The current WRT1900 AC is a useless device. They even should do a recall of the product. I will wait for them to contact me, but I'm thinking if I should send the information to The Consumerist or someone else. What to do?

FernandoRocker wrote:
Well... instead of looking into this with Engineering, I would prefer you to talk about this with the Sales department and exchange my WRT1900AC for an EA8500 (I will pay the difference if needed). Seriously. The device is useless. Not just a paperweigt... an expensive paperweight.Actually I looking into the swap for you because I think that would be best in your case. Keep this in perspective. There is laterally millions of WRT1900AC V1 out there with very few issues with latest firmwares and of course the odd exception. In your case it could be a defective WRT1900AC.

WRT1900AC V1 - Linksys is aware that the router is not working properly. Help spread the word.

I just had a conversation with Linksys' Customer Service via chat: Daphne L. J: Hello Fernando Paramo. My name is Daphne L..
Daphne L. J: Welcome to Linksys Global Chat. Is this your initial contact or do you have a case number?
You: Case number is 04971062
Daphne L. J: Please give me 3-5 minutes to pull up and review your case.
You: OK
Daphne L. J: Thank you.
You: I have a WRT1900AC, V1. The router is not working properly. I have disconnections every few minutes.I already installed the new firmware version and I still have the same issues. I already reset the router to factory defaults and same issues. I have changed the settings back to my personal preferences: Changed the SSID, changed the wireless security settings, changed the DNS and deactivate WPS. That's it.I'm using 5 Ghz mode with my laptops (5 Ghz adapters) and 2-4 Ghz with a few devices (Chromecast, Nintendo 3DS).
Daphne L. J: Thank you for waiting.
Daphne L. J: Please confirm if the following information is correct:
Name : Fernando Paramo
Phone Number :
E-Mail Address :
Model Number : WRT1900AC
Serial Number : 13J10609406280
Country : United States
You: That's correct.
Daphne L. J: Okay. Were you able to check if the devices have stable connection wired to the router?
You: No. I do not have devices with Ethernet ports. Well, only the cable modem.
You: But the modem is fine. No disconnections from my ISP.
You: It is the router.
Daphne L. J: Alright. What is the current firmware version of your router?
You: I tried to return the router to Wal-Mart yesterday with no luck. This is a useless device. And I have been reading comments on the community forums and a lot of people are having problems.
Daphne L. J: We are actually aware of the issue and are working on a resolution. What is the current firmware version of your router?
You: Ver. 1.1.10.167514
You: Latest one.
Daphne L. J: Yes, so you reflashed the firmware, reset and then manually reconfigure it after, not using backup configuration, is that right?
You: That's correct.
Daphne L. J: And it is intermittent on all devices connected to both 2.4 and 5 Ghz networks, is that right?
You: That's correct.
Daphne L. J: Thank you for the information. Please give ,e 3-5 minutes to verify this with my superior.
Daphne L. J: Thank you for waiting.
You: I want to send you my WRT1900AC and get a V2 or I want a EA8500 and pay the difference myseld.
You: I do not want my current hardware.
You: It is useless for my needs.
You: I can't believe I had an older E3000 that didn't give me any problems.
Daphne L. J: We have already exhausted all possible troubleshooting steps for your concern. As verified with my Supervisor, we will forward your case to our Customer Assurance Team. They are highly technical and knowledgeable when it comes to advanced troubleshooting. They will contact you in the next 24 to 48 hours. By the way, who is your Internet Service Provider? And do you Cable or DSL connection?
You: Cable connection.
Daphne L. J: Who is your Internet Service Provider?
You: A company called .
You: How are they going to contact me?
Daphne L. J: Alright. By the way, on the device itself, on its FCC ID, please check if you have WRT1900AC or WRT1900AC v2.
You: Are you paying attention to me?
You: I already told you it's V1.
Daphne L. J: They will call or email you. Please double check if these informations are correct:
Name :
Phone Number :
E-Mail Address :
You: I told you I want to send you my WRT1900AC and get a V2 or I want a EA8500 and pay the difference myself.
You: I want them to contact me to my email. I can't answer the phone during work hours.
Daphne L. J: We can't assure you if we will be able to replace it with Version 2 or if you are allowed to have the EA8500 instead.
Daphne L. J: Just in case, do you also have an alternate number?
Daphne L. J: Also, what time zone are you in? And what is your preferred time and day for them to contact you?
You: I have the one from my office in Mexico. Central Time. Any time is good.
Daphne L. J: So, you are currently in Mexico?
You: I work in Mexico but I have the house in USA. I live in the border.
Daphne L. J: I see. Do you have any other questions or clarifications?
You: I live 10 minutes away from the International Bridge. But that's not an issue. I bought the router at Walmart in Laredo, TX.
Daphne L. J: Thank you for the information. Would that be all for now?
You: I want a clarification: Do you realize that there is an issue with the current WRT1900AC? Are you aware of that?
You: Because this is a very expensive router that is not working as it should be.
Daphne L. J: Yes, we are aware of the issue and are working on a resolution.
Daphne L. J: Would there be anything else you need?
You: That would be it. I will wait for you to contact me.
You: Thanks.
Daphne L. J: Alright. Thank you for giving us an opportunity to serve you through Linksys Live Chat. You may also visit our support site at www.linksys.com. For your reference, your case number is 04980394. Thank you for choosing Linksys and have a great day! We paid $250 for this piece of equipment. That's a lot of money for a device that doesn't work. I just want to get a V2 replacement, or better yet, an exchange for a EA8500. We should all demand this. It is not fair for us. The current WRT1900AC is a useless device. They even should do a recall of the product. I will wait for them to contact me, but I'm thinking if I should send the information to The Consumerist or someone else. What to do?

Hello. I sent my WRT1900AC V1 to Linksys four days ago (Monday) via UPS with a RMA. Linksys paid the shipping and everything. The router is still in route, and it should arrive to their offices tomorrow. Once they receive the WRT1900 AC V1, they are going to send me an EA8500 as a replacement. But I have been reading the comments about the EA8500 here in the forum and it seems to have the same problems. I guess the firmware is extremely flawed in both routers (maybe it is almost the same code?). Anyway, I will try the EA8500 and I hope it works. I bought a temporary router from Walmart and I paid $35 for it. It is a Belink N600 DB. I can't believe that a $35 router is working a lot, lot, lot better than my previous $250 WRT1900AC router. Unbelievable. If the EA8500 doesn't work, I'm going to try and get my money back from Linksys, or contact The Consumerist or someone to get my money back and get a Nighthawk instead.

Is XEN aware of my domUs?

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