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Full Discussion: Bouncing Unix Servers
Operating Systems HP-UX Bouncing Unix Servers Post 101950 by rhfrommn on Tuesday 14th of March 2006 12:26:23 PM
Old 03-14-2006
Where I work now we have a scheduled monthly maintenance window. On a particular Saturday we get to do whatever we need to the boxes. Everybody that uses the systems knows this and nobody works that Saturday.

Our policy is any system which hasn't been rebooted for 90 days is rebooted. Oracle servers and some Veritas Cluster Server clusters are rebooted each month instead. There are a few production boxes exempted from the policy because they support manufacturing plants which have shifts working on Saturdays.

As for the reason why - it is basically just for cleanup purposes. Stale NFS handles, zombie processes, small memory leaks from applications, etc. are all cleaned up by the reboot. Also it is a way of testing to make sure everything runs smoothly with the startup and shutdown scripts so we don't find problems with them when there is an unscheduled reboot.

I've worked other places that never rebooted machines unless it was for a specific purpose - hardware upgrades/repairs, software installs which require it, etc. It all depends on the environment and what the system admins prefer whether a scheduled reboot is appropriate or not.
 

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MKMANIFEST(1)						      General Commands Manual						     MKMANIFEST(1)

NAME
mkmanifest - create a shell script to restore Unix filenames SYNOPSIS
mkmanifest [ files ] DESCRIPTION
Mkmanifest creates a shell script that will aid in the restoration of Unix filenames that got clobbered by the MSDOS filename restrictions. MSDOS filenames are restricted to 8 character names, 3 character extensions, upper case only, no device names, and no illegal characters. The mkmanifest program is compatible with the methods used in pcomm, arc, and mtools to change perfectly good Unix filenames to fit the MSDOS restrictions. EXAMPLE
I want to copy the following Unix files to a MSDOS diskette (using the mcopy command). very_long_name 2.many.dots illegal: good.c prn.dev Capital Mcopy will convert the names to: very_lon 2xmany.dot illegalx good.c xprn.dev capital The command: mkmanifest very_long_name 2.many.dots illegal: good.c prn.dev Capital > manifest would produce the following: mv very_lon very_long_name mv 2xmany.dot 2.many.dots mv illegalx illegal: mv xprn.dev prn.dev mv capital Capital Notice that "good.c" did not require any conversion, so it did not appear in the output. Suppose I've copied these files from the diskette to another Unix system, and I now want the files back to their original names. If the file "manifest" (the output captured above) was sent along with those files, it could be used to convert the filenames. SEE ALSO
arc(1), pcomm(1), mtools(1) local MKMANIFEST(1)
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