Date: Thu, 12 Dec 2013 10:10:01 GMT From: Vincent Hoffman <vince@unsane.co.uk> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/167575: mfiutil(8) claims battery is OK even though it is worn out and wb cache is disabled Message-ID: <201312121010.rBCAA1ve097993@freefall.freebsd.org>
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The following reply was made to PR bin/167575; it has been noted by GNATS.
From: Vincent Hoffman <vince@unsane.co.uk>
To: bug-followup@FreeBSD.org, emaste@FreeBSD.org
Cc:
Subject: Re: bin/167575: mfiutil(8) claims battery is OK even though it is
worn out and wb cache is disabled
Date: Thu, 12 Dec 2013 10:02:41 +0000
Issue still exists with 8.4
FreeBSD banshee.namesco.net 8.4-RELEASE-p6 FreeBSD 8.4-RELEASE-p6 #0
r259163: Tue Dec 10 10:40:01 GMT 2013
toor@banshee.namesco.net:/usr/src/sys/amd64/compile/BANSHEE amd64
The server still works but write cache being disabled makes a huge
difference to IO
root@banshee # mfiutil cache 0
mfi0 volume mfid0 cache settings:
I/O caching: writes and reads
write caching: write-back
write cache with bad BBU: disabled
read ahead: always
drive write cache: enabled
Cache Disabled Due to Dead Battery
($09:52:35 <~>$) 0
root@banshee # mfiutil show battery
mfi0: Battery State:
Manufacture Date: 6/3/2011
Serial Number: 637
Manufacturer: LS1191002A
Model: 3150302
Chemistry: LION
Design Capacity: 1215 mAh
Full Charge Capacity: 549 mAh
Current Capacity: 534 mAh
Charge Cycles: 66
Current Charge: 97%
Design Voltage: 3700 mV
Current Voltage: 4048 mV
Temperature: 39 C
Status: normal
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