Unfortunately, the only feedback on power level the 6140 provides (as far as I could tell) is whether or not a power supply is used or disconnected.
Thanks! This email message is for the sole use of the intended recipient(s) and may contain GDC4S confidential or privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not an intended recipient, please contact the sender by reply email and destroy all copies of the original message. -----Original Message----- From: Selim Daoud [mailto:[EMAIL PROTECTED] Sent: Thursday, November 08, 2007 2:00 AM To: Lion, Oren-P64304 Cc: [email protected] Subject: Re: [storage-discuss] Could pegged UPS result in performance drop may be the write cache was disabled because of the UPS..did you check any other alarms related to power supply on CAM? did you check the write cache settings? that's the only thing I can think of selim ------------------------------------------------------ Blog: http://fakoli.blogspot.com/ On 11/7/07, Oren Lion <[EMAIL PROTECTED]> wrote: > In testing RAID configurations on a Sun 6140 I began to see over 50% drops in performance running equivalent tests. After validating identical configurations between the previously acceptable performance trials and the under-performing trials I noticed that more servers got shifted to the UPS for the 6140. The UPS load lights that were previously not pegged were now pegged. > > At the time it seemed outlandish to factor in the power supply, however, by removing the load on the UPS the performance of the 6140 returned to 'normal'. > > I guess the 6140 drives lost rotational speed? > > Could someone speculate on what may really have taken place? > > > This message posted from opensolaris.org > _______________________________________________ > storage-discuss mailing list > [email protected] > http://mail.opensolaris.org/mailman/listinfo/storage-discuss > -- ------------------------------------------------------ Blog: http://fakoli.blogspot.com/ _______________________________________________ storage-discuss mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/storage-discuss
