Guilty! Putting all those Metastat keywords on one subject, that’s me! ANyway, I don’t want to stale this blog so once in a while I’m going to be posting some bits and pieces of Unix tools/tips.. and here’s a new one about SVM… Responding to Disk Errors courtesy of BigAdmin!

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This one is about Solaris Volume Manager and all those meta commands you can think of.. (metadb, metadettach, metattach, metaclear etc)…

Yesterday we had to replace a failed disk that belongs to a mirror. The disk is running in a Sparc Solaris 10 box. It’s a 72GB from Fujitsu

c1t1d0           Soft Errors: 440 Hard Errors: 12 Transport Errors: 124
Vendor: FUJITSU  Product: MAY2073RCSUN72G  Revision: 0501 Serial No: 0711S0935R
Size: 73.40GB <73400057856 bytes>

As you can see from the iostat -En command, the disk is spitting hard errors and must be replaced before it can cause a lot more headache. It’s in c1t1, right.

Here’s what we’re supposed to do:

• we could delete the meta data base that corresponds to the failed disk
• detached the failed disk/slices to the mirror
• clear it
• unconfigure the disk
• replace the disk
• configure the disk
• create new meta device database
• Initialize the disk
• Attached it to mirror
• and sync

Here’s the detailed job:

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