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Top Forums UNIX for Dummies Questions & Answers Hard Disk Performance issues Suse 11 SP1 Post 302845623 by Peasant on Thursday 22nd of August 2013 02:47:35 AM
Old 08-22-2013
It's hard to tell without access to server.

You might want to check the iostat output on the machine.
If the values are high, check the machine for processes doing intensive disk operations.

Also, you might want to check on your storage if the actual spindles (physical disks) are being shared to some other hosts doing intensive I/O.

Check the FC switch port for possible errors.

Regards
Peasant.
This User Gave Thanks to Peasant For This Post:
 

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reboot(8)						      System Manager's Manual							 reboot(8)

Name
       reboot - automatic reboot procedures

Syntax
       /etc/reboot [ -n ] [ -q ]

Description
       The  ULTRIX  system is booted by loading a kernel image, usually into memory at location zero and transferring to zero.	Because the system
       is not reenterable, the kernel image must be read in from disk each time the system is bootstrapped.

       When the reboot of a running system is desired, is normally used.  If there are no users, can be used.  The command causes the disks to	be
       synced,	and  then  a multiuser reboot is initiated.  The system is booted and an automatic disk check is performed.  If the procedure suc-
       ceeds, the system is then brought up for the users.

       The system will reboot itself after a power failure or after a crash, provided auto-restart is enabled on your system.  A consistency check
       of the file systems will be performed and, unless the check fails, the system will resume multiuser operations.

Options
       -n   Prevents the disks from being synced.

       -q   Reboots quickly and ungracefully, without shutting down running processes first.

Files
       System code

See Also
       crash(8v), fsck(8), halt(8), init(8), newfs(8), rc(8), shutdown(8)

																	 reboot(8)
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