battery reconditioning

[Stefan Miklosovic]

hi list,

form time to time, there appears some error / warning
messages in console, which say this:

Sep 27 23:54:40 dell kernel: aac0: **Monitor** ID(0:02:0); Error Event
[command:0x28]
Sep 27 23:54:40 dell kernel: aac0: **Monitor** ID(0:02:0); Medium Error
[k:0x3,c:0x3,q:0x0]
Sep 27 23:54:40 dell kernel: aac0: **Monitor** ID(0:02:0); Peripheral Device
Write Fault
Sep 28 00:13:40 dell kernel: aac0: **Monitor** Battery needs reconditioning.
Sep 28 00:19:07 dell kernel: aac0: **Monitor** ID(0:02:0); Error Event
[command:0x28]
Sep 28 00:19:07 dell kernel: aac0: **Monitor** ID(0:02:0); Medium Error
[k:0x3,c:0x3,q:0x0]
Sep 28 00:19:07 dell kernel: aac0: **Monitor** ID(0:02:0); Peripheral Device
Write Fault
Sep 28 00:23:09 dell kernel: aac0: **Monitor** ID(0:02:0); Error Event
[command:0x28]
Sep 28 00:23:09 dell kernel: aac0: **Monitor** ID(0:02:0); Medium Error
[k:0x3,c:0x3,q:0x0]
Sep 28 00:23:09 dell kernel: aac0: **Monitor** ID(0:02:0); Peripheral Device
Write Fault
Sep 28 00:23:52 dell kernel: aac0: **Monitor** Container 0 completed SCRUB
task:

aac0 is raid device

target machine:
FreeBSD dell.tlis.sk 8.0-RC1 FreeBSD 8.0-RC1 #0: Thu Sep 17 20:45:19 UTC
2009     root at almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386

it is dell poweredge 6450, 4x xeon 700MHz, 4G ram, 4X72G disk in raid5

thank you