Error de No buffer space available

[ROY_VENEGAS]

Que puede ser esto... tengo problemas con un servidor y no se como solucionarlo....

kernel: twa0: WARNING: (0x04: 0x002F): Verify not started; unit never initialized: Raid5/6 subunit=0
Jul 11 00:14:05 nmbd[1592]: *****
Jul 11 00:14:05 nmbd[1592]:
Jul 11 00:14:05 nmbd[1592]: Samba name server FREENAS8 is now a local master browser for workgroup WORKGROUP on subnet 192.168.10.4
Jul 11 00:14:05 nmbd[1592]:
Jul 11 00:14:05 nmbd[1592]: *****
Jul 11 00:14:05 nmbd[1592]: [2013/07/11 00:14:05, 0] nmbd/nmbd_become_lmb.c:become_local_master_stage2(396)
Jul 11 00:14:02 kernel: twa0: INFO: (0x04: 0x003B): Rebuild paused: unit=0
Jul 11 00:14:02 kernel: twa0: ERROR: (0x04: 0x0004): Rebuild failed: unit=0
Jul 11 00:14:02 kernel: twa0: ERROR: (0x04: 0x002D): Source drive error occurred: port=15, unit=0
Jul 11 00:14:02 kernel: twa0: ERROR: (0x04: 0x0026): Drive ECC error reported: port=15, unit=0
Jul 11 00:09:42 kernel: twa0: INFO: (0x04: 0x000B): Rebuild started: unit=0
Jul 11 00:08:34 kernel: arp: 192.168.1.252 moved from 00:02:2a:eb:45:20 to c0:c1:c0:44:c2:f2 on em0
Jul 11 00:08:27 kernel: arp: 192.168.1.252 moved from c0:c1:c0:44:c2:f2 to 00:02:2a:eb:45:20 on em0
Jul 11 00:08:27 kernel: em0: link state changed to UP
Jul 11 00:08:26 login: login on ttyv0 as root
Jul 11 00:08:26 lighttpd[1741]: (log.c.97) server started
Jul 11 00:08:25 kernel: WARNING: /mnt/raid was not properly dismounted
Jul 11 00:08:25 kernel: GEOM_LABEL: Label ufs/root removed.
Jul 11 00:08:25 kernel: GEOM_LABEL: Label for provider ad0s1 is ufs/root.
Jul 11 00:08:25 kernel: GEOM_LABEL: Label ufs/root removed.
Jul 11 00:08:25 kernel: Trying to mount root from ufs:/dev/ad0s1a
Jul 11 00:08:25 kernel: da0: 21457515MB (43944990720 512 byte sectors: 255H 63S/T 2735449C)
Jul 11 00:08:25 kernel: da0: 100.000MB/s transfers
Jul 11 00:08:25 kernel: da0: <AMCC 9650SE-16M DISK 4.08> Fixed Direct Access SCSI-5 device
Jul 11 00:08:25 kernel: da0 at twa0 bus 0 target 0 lun 0