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Operating Systems AIX PowerHA(HACMP) full vg loss - cluster hangs on release_vg_fs event Post 302793077 by MichaelFelt on Thursday 11th of April 2013 04:02:15 PM
Old 04-11-2013
If it is doing unmount -f, and that is not completing - I would need a trace to see what is (not) happening.

I would open a PMR to get official support statement on if/when unmount -f, by design, may hang.

I am assuming that you have tried an additional unmount -f. Have you also tried a varyoffvg -f?

What does lsvg say? I am assuming with the diskhb network you are also using enhanced concurrent volume groups. Which one says "active?" - what do the systems that can see the disk say? What happens when SAN connectivity is restored?

(p.s. will be traveling for work soon, this will delay further comments)
 

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vxumount(1M)															      vxumount(1M)

NAME
vxumount - unmount a VxFS file system SYNOPSIS
{special|mount_point} DESCRIPTION
unmounts a currently mounted VxFS file system, which you can specify either as a mount_point or as special, the device on which the file system resides. Note: Only a privileged user can unmount file systems. Options recognizes the following option: Specifies the VxFS-specific options in a comma-separated list. The available argument is: Unmounts a VxFS file system even if it contains a busy file. If is not specified, does not unmount the file system if it contains a busy file. Programs that try to access files after a file system is forcibly unmounted receive an EIO error. Caution: Using the option can cause data loss for open files. Operands recognizes the following operands: mount_point Name of the mount point for a VxFS file system. special The device on which the file system resides. FILES
table of mounted file systems SEE ALSO
fsadm_vxfs(1M), mkfs_vxfs(1M), mount(1M), mount_vxfs(1M), setmnt(1M), fsync(2), setuid(2), fs_vxfs(4), mnttab(4), vxfsio(7). vxumount(1M)
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