How to fsck (repair vmfs 3 volume) with ESXi?

[ITRC_Architect]

A hard drive failed on an iSCSI volume (we use LeftHand 4500 SAN).

Apparently, during the rebuild, bad blocks may have been copied into the volume.

The ESXi host sees the volume, but it does not show the vmfs filesystem, so I can't get to the guests. HP wants me to run a chkdisk or fsck on the volume to repair it.

I have no idea how to do that. Any thoughts?

[amalanco8]

hi, for system partitions you need to run dosfsck, here is an excellent guide to do it:

regards.

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[ITRC_Architect]

That will fix vmfs 3 volumes and not just FAT volumes?

[amalanco8]

yep only esxi's system partitions, if you cant access your data anymore there's a big chance that i will be all lost because there is no fsck for vmfs, you can try accessing your vmfs through a linux host and try to copy your files using vmfs-tools take a look at this post:

http://planetvm.net/blog/?p=1592

hope you can get your info.

regards.

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