Hi , Thanks larye, greg and Nicolas for you suggestions. Please find below the reply from larye. Thanks and Regards, Venkatakrishna. ----- Original Message ----- From: "Larye Parkins" <larye@parkins.org> To: "Venkatakrishna P.V" <pv.venkatakrishna@patni.com> Sent: Tuesday, June 29, 2004 8:35 PM Subject: Re: Sun Servers preventive maintenance General practices: >1) Keep air vents and screens clean and clear of blockage >2) keep a record of internal temperatures, with prtdiag (usually: /usr/platform/sun4u/sbin/prtdiag), take action to reduce temperature if >unusual rise in temperature. > 3) try to keep the computer room below 30 degrees Celsius, 20-25 is better. > 4) Configure all ufs file systems with the logging option (Solaris 2.7 and up). This will install journaling, to prevent file system damage in event > of system crash, so fsck is not required on reboot. Example entries from /etc/vfstab: > /dev/dsk/c0t0d0s0 /dev/rdsk/c0t0d0s0 / ufs 1 no logging >/dev/dsk/c0t0d0s7 /dev/rdsk/c0t0d0s7 /usr/local ufs 2 yes logging > > 5) Monitor syslog for memory errors, reseat memory boards if the same error occurs repeatedly. (Use extreme caution, use grounding straps, do > this only if you are familiar with replacing computer circuit boards.) This is usually a problem only if the system has been moved or is in a > high-humidity environment. > > 6) Keep file system usage under 80% for volumes that change frequently (/var, user homes, databases), under 95% for relatively static volumes. > This reduces fragmentation and danger of unexpected "file system full" problems. > > 7) If a large number of files (thousands) are deleted from a directory, create a new directory, move the remaining files into it, then rename the > new directory to the old name: this will reduce the size of directories and improve perfomance. > > 8) Check the operation of CD-ROM drives and floppy drives periodically: these tend to fail quietly, so they are not available when you most need > them to reinstall or repair the system. > > 9) Keep keyboards and monitors clean, turn off monitors if not in use. > > 10) Test the UPS at least twice a year, replace batteries when indicated. Do not run a Sun machine without an UPS: conditioned power is necessary to > long life. > > -- > Larye D. Parkins > Information Engineering Services > PMB 435, 610 N. 1st St., Ste 5 > Hamilton, MT 59840 > 406 375 6139 > > On Tue, 29 Jun 2004, Venkatakrishna P.V wrote: > > > Hi, > > Is there any procedure to be followed to carry out preventive maintenance > > on SUN Servers. > > Can you share your practice of preventive maintenance. > > > > > > Thanks and Regards, > > > > > > Venkatakrishna.P.V > > _______________________________________________ > > sunmanagers mailing list > > sunmanagers@sunmanagers.org > > http://www.sunmanagers.org/mailman/listinfo/sunmanagers > > > > > > > > > >--- > >[This E-mail scanned for viruses] _______________________________________________ sunmanagers mailing list sunmanagers@sunmanagers.org http://www.sunmanagers.org/mailman/listinfo/sunmanagersReceived on Wed Jun 30 00:13:41 2004
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