Clone internal disk(ufsdump) which has metadevice on external disk(sol 5.6)
Dear IT Experts,
I just help my friend. we planned to clone an internal disk of SUN Ultra 1 which is run using Solaris 2.6 (old).
Actually, this system has one external disk which has created before using metadevice.
The external disk (*/dev/md/dsk/d100 --> concatenation*) is used to save application data and connected to ultra 1 using SCSI device.
Here is the vfstab content:
+#device device mount FS fsck mount mount+
+#to mount to fsck point type pass at boot options+
+#+
+#/dev/dsk/c1d0s2 /dev/rdsk/c1d0s2 /usr ufs 1 yes -+
fd - /dev/fd fd - no -
+/proc - /proc proc - no -+
swap - /tmp tmpfs - yes -
+/dev/dsk/c0t0d0s1 - - swap - no -+
+/dev/dsk/c0t0d0s0 /dev/rdsk/c0t0d0s0 / ufs 1 no -+
+/dev/dsk/c0t0d0s6 /dev/rdsk/c0t0d0s6 /usr ufs 1 no -+
+/dev/dsk/c0t0d0s4 /dev/rdsk/c0t0d0s4 /var ufs 1 no -+
+/dev/dsk/c0t0d0s7 /dev/rdsk/c0t0d0s7 /export/home ufs 2 yes -+
+/dev/dsk/c0t0d0s5 /dev/rdsk/c0t0d0s5 /opt ufs 2 yes -+
+/dev/md/dsk/d100 /dev/md/rdsk/d100 /export/home/oak ufs 2 yes +-
Running command "metastat" and "metadb -i" will give output :
+# metastat+
d100: Concat/Stripe Size: 53031888 blocks Stripe 0: (interlace: 64 blocks) Device Start Block Dbase c0t2d0s7 0 No c0t3d0s7 0 No c0t4d0s7 0 No
+#+
+# metadb -i+
flags first blk block count
a m pc luo 16 1034 /dev/dsk/c0t0d0s3
a pc luo 1050 1034 /dev/dsk/c0t0d0s3
a pc luo 2084 1034 /dev/dsk/c0t0d0s3
Running command "format" will give output :
Current partition table (original):
Total disk cylinders available: 2733 2 (reserved cylinders)+
Part Tag Flag Cylinders Size Blocks
+0 root wm 0 - 134 100.20MB (135/0/0) 205200+
+1 swap wu 135 - 307 128.40MB (173/0/0) 262960+
+2 backup wm 0 - 2732 1.98GB (2733/0/0) 4154160+
+3 unassigned wm 308 - 310 2.23MB (3/0/0) 4560+
+4 var wm 311 - 580 200.39MB (270/0/0) 410400+
+5 unassigned wm 581 - 985 300.59MB (405/0/0) 615600+
+6 usr wm 986 - 2333 1000.47MB (1348/0/0) 2048960+
+7 home wm 2334 - 2732 296.13MB (399/0/0) 606480+
We try to clone disk using "ufsdump" command. The backup disk (cot1d0) capacity is like the capacity of original disk (c0t0d0) --> 2.1GB.
Here is all the command that we have run:
+# mount /dev/dsk/c0t1d0s0 /clone-root+
+# cd /clone-root+
+# ufsdump 0cf - /dev/rdsk/c0t0d0s0|ufsrestore -rf -+
+# mount /dev/dsk/c0t1d0s3 /clone-s3+
+# cd ../clone-s3+
+# ufsdump 0cf - /dev/rdsk/c0t0d0s3|ufsrestore -rf - --> this command gave output "it is not ufsdump format"+
# mount /dev/dsk/c0t1d0s4 /clone-var
# cd ../clone-var
# ufsdump 0cf - /dev/rdsk/c0t0d0s4|ufsrestore -rf -
+# mount /dev/dsk/c0t1d0s5 /clone-opt+
+# cd ../clone-opt+
+# ufsdump 0cf - /dev/rdsk/c0t0d0s5|ufsrestore -rf -+
+# mount /dev/dsk/c0t1d0s6 /clone-usr+
+# cd ../clone-usr+
+# ufsdump 0cf - /dev/rdsk/c0t0d0s6|ufsrestore -rf -+
+# mount /dev/dsk/c0t1d0s7 /clone-export+
+# cd ../clone-export+
+# ufsdump 0cf - /dev/rdsk/c0t0d0s7|ufsrestore -rf+ -
All dumping process were successfully done EXCEPT at /dev/rdsk/c0t0d0s3. It said that this partition is not in ufsdump format. I think because this partition is used as metadevice database.
All dumping process were successfully done EXCEPT at /dev/rdsk/c0t0d0s3. It said that this partition is not in ufsdump format. I think because this partition is used as metadevice database.
Afte install bootblk to c0t1d0s0, we tried to boot system using clone disk result (c0t1d0). We unplugged the original disk, and put the clone disk into target 0 slot (c0t0d0).
While booting, it said that the meta database was broken and need to be repaired. we delete the metadb and re-create again --> # metadb -a -c3 -f /dev/dsk/c0t0d0s3.
then REBOOT.
But, after it, system won`t boot. the said that
*"/dev/md/rdsk/d100" = no such device or address*
*/dev/md/rdsk/d100 /dev/dsk/c0t0d0s5 /dev/dsk/c0t0d0s7 = can`t check file system*
please run fsck manually"
we have run command "fsck". but the problem still there. System can`t boot. :-(
But, while we put the original disk back, the system can run normally.
Is there any steps that we are missing? Kindly need your help, please....we stuck. No idea...please response
Thank you for any help and suggestion
regarads,
ferianto
Sorry to hear.
Other possibilities...
Data Rescue...
http://www.prosofteng.com/products/data_rescue.php
(Has a Free Demo to see if it could or not, but you'll need another drive to recover to).
rccharles on file recovery...
"Stellar Phoenix Macintosh - Mac data recovery software, recovers data from damaged, deleted, or corrupted volumes and even from initialized disks."
They have a trial version, so I guess you can see if your data can be recovered...
http://www.stellarinfo.com/mac-data-recovery.htm
FileSalvage is an extremely powerful Macintosh application for exploring and recovering deleted files from a drive or volume. FileSalvage is designed to restore files that have:
* been accidentally deleted.
* become unreadable due to media faults.
* been stored on a drive before it was re-initialized/formatted.
http://subrosasoft.com/OSXSoftware/index.php?main_page=product_info&products_id= 1
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