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тАО06-02-2005 09:47 AM
тАО06-02-2005 09:47 AM
Tru64 5.1B PK4 multivolume clone
I'm having a problem with a multivolume clone. We have two EVA5000 with Continuous Access and severals virtual disks configured. Every virtual disk is a filesystem. One (and only one) of these filesystems is a multivolume filesystem:
# ls /etc/fdmns/hist04_dmn
dsk49c dsk52c
# ls /etc/fdmns/hist03_dmn
dsk16c
.
.
.
etc.
The hist03_dmn is a 500 GB domain, and hist04_dmn domain is 150 + 350 GB domain.
I create a clone for these filesystems to backup. The backup (with vdump) of all clone filesystems works, but i cannot backup the multivolume clone, vdump hungs when tries to get the directory and file count. (Sometimes i cannot kill the vdump process)
If i enter to the clone filesystem and run the ls command, it displays the files. If I run the ls -la command, the command hungs. On the others clone filesets the ls -la and vdump command works without problem.
It seems that when any command tries to get inode information, the command hungs.
Anobody seen something like this before?
I will move all the data to a single volume filesystem to backup, but i would like to know what happened here. I will keep the multivolume domain for troubleshooting.
Thanks in advance.
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тАО06-02-2005 04:57 PM
тАО06-02-2005 04:57 PM
Re: Tru64 5.1B PK4 multivolume clone
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тАО06-03-2005 01:26 AM
тАО06-03-2005 01:26 AM
Re: Tru64 5.1B PK4 multivolume clone
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тАО06-03-2005 02:37 AM
тАО06-03-2005 02:37 AM
Re: Tru64 5.1B PK4 multivolume clone
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тАО06-03-2005 03:00 AM
тАО06-03-2005 03:00 AM
Re: Tru64 5.1B PK4 multivolume clone
The filesystem has been rebalanced to troubleshoot the problem, but it does not solve it.
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тАО06-03-2005 03:06 AM
тАО06-03-2005 03:06 AM
Re: Tru64 5.1B PK4 multivolume clone
# defragment -nv hist04_dmn
defragment: Gathering data for domain 'hist04_dmn'
Current domain data:
Extents: 3864
Files w/extents: 20
Avg exts per file w/exts: 193.20
Aggregate I/O perf: 100%
Free space fragments: 222
<100K <1M <10M >10M
Free space: 0% 0% 0% 100%
Fragments: 17 156 2 47
It seems is not very fragmented.
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тАО06-03-2005 03:09 AM
тАО06-03-2005 03:09 AM
Re: Tru64 5.1B PK4 multivolume clone
Thanks to all for your answers.
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тАО06-03-2005 03:09 AM
тАО06-03-2005 03:09 AM
Re: Tru64 5.1B PK4 multivolume clone
You don't mention which version and patch kit you're running. There have been a lot of fixes to vfast, AdvFS migration/balancing/cloning in the latest patch kits. You may want to try again with the BL26 (PK5) patch kit for V5.1B.
If you want to find out what is wrong with the current version, then you may need to open a call with HP. A live dump of the system should help. You may get some idea of what's going on by attaching dbx to vdump and making one (or more) stack traces while it is hung.