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07/21/2009 at 12:27PM PDT, ID: 24588705 | Points: 500
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Script to prevent a ZFS hang.

Asked by p0sreed in Perl Programming Language, Sun Solaris

I have an open solaris sun machine that encounters a zfs file system hang most of the time.

When we issue ZFS list , it hangs in there with no result. I have to execute "echo | format" or the "format" command to clear the hang.

I want to write a perl script that automates this every time the zfs filesystem hangs. The algorithm is below.

1. execute "zfs list | wc -l" and store the value in a scalar
2. check scalar is empty or not
3. if scalar value is empty, execute "echo | format " command
4. else exit

Want to set up this script as a crob job to run eveery minute
[+][-]07/21/09 12:45 PM, ID: 24908533

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[+][-]07/21/09 12:51 PM, ID: 24908605

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[+][-]07/21/09 12:51 PM, ID: 24908608

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[+][-]07/21/09 12:53 PM, ID: 24908644

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[+][-]07/21/09 12:54 PM, ID: 24908645

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[+][-]07/21/09 12:59 PM, ID: 24908701

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[+][-]07/21/09 01:23 PM, ID: 24908940

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[+][-]07/21/09 01:29 PM, ID: 24909004

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[+][-]07/21/09 01:38 PM, ID: 24909079

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[+][-]07/31/09 05:57 AM, ID: 24988295

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