Backup Sybase ASE

Dear All Expert
I really new in sybase ASE, I need create backup for sybase but when I run comment "dump database" from dbacockpit and os level, its not working, getting error message "stripe device "/backup/sybase/SED/SED.dmp" with error number 13 (Permission denied)"
I already set device "/backup/sybase/SED/SED.dmp" with permission "nobody:nogroup" but still got same error.
please help me solving this case
Thanks
*note
os : linux suse 11 sp 3
db version : sybase 16
sap version : ehp 7

I'm not sure what you mean by "nobody:nogroup". If, from the OS, you do
ls -l /backup/sybase/SED/SED.dmp
what does that show?
From one of my own standalone (not part of an SAP application installation) ASE servers.where I start ASE and Backupserver from my account "bret" which is part of the group "Sybase", the permissions look like this:
-rw-r--r-- 1 bret sybase 1155072 Dec 31 13:12 db1.dmp
The backupserver needs read and write permissions on the dump file for the account that is running the backupserver.
-bret

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I managed to work it out in the end - here's the solution...
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set ( id_user,
tx_icon_user ) =
( select ia.id_user,
'urlcats:/user_grey.gif?method:getAllocationInfo'
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and ia.id_user != 'autocats'
)

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Hi
First of all, specific answers to your questions
1) what is the phases involved while starting and stooping the database ( example in orcale Mount phase ,no mount phase etc)
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ASE_CORE license information
option "number of engines at startup"
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Allocates memory (for procedure cache which is similar to Oracle's Shared Pool)
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4) isql comand is case sensitive ?
Yes
5) to check missing stats execut isql -Usapsa -S<SID> -X -w999    here what is -w999 means and X also
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When you create an Oracle server both the SYSTEM and SYSAUX tablespaces will be created and you cannot drop them thereafter.
When you create ASE, the system specific databases master, model, sybsystemprocs, sybsystemdb and tempdb will be created and you cannot drop them either.
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Storage Concepts
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In Oracle, a segment is a group of one or more extents that contains all the data for a specific structure within a tablespace, such as table or index.
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Want to know more (Oracle and Sybase similarities) on Sybase ASE working. Let me know specific questions/doubts
HTH
Regards,
Rajesh

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