Basically, you run a DNS server on the public VLAN with both entries
for public and metadata IPs. For instance, according to "Apple
Training Series Xsan 2 Administration: A Guide to Designing,
Deploying, and Maintaining Xsan" by Robert Kite Ph.D., pages 67
"When creating DNS entries for the devices on the SAN, you must also
create a DNS entry
for each client’s private metadata interface. In the following image,
for example, the public
interface of the metadata controller mdc1.pretendco.san is
172.16.10.1, while the private
metadata interface of the metadata controller
mdc1-private.pretendco.san is 192.168.1.1. "
There is no need to run a DNS server on metadata VLAN and have DNS
servers listed in Ethernet port settings for metadata.
Ok. i configured dns. And i configured a new volume with .Trash file
created by the touch command.
But the system is still having some troubles.
At the begining all was ok. But after a moment, i don't know why i have
the following logs in syslog of the mdc :
(On my lab 192.168.2.2 and 192.168.2.3 are ip of my two mdc. my xsan are
uptodate)
Nov 5 15:28:32 mdc fsmpm[2672]: Disk arb runloop starting
Nov 5 15:28:34 mdc fsmpm[2672]: Portmapper: File System RAS events
undeliverable to Coordinator '192.168.2.3'. Please upgrade Xsan on this
host.
Nov 5 15:28:34 mdc fsmpm[2672]: NSS: Name Server '192.168.2.3'
(192.168.2.3) communication lost, unable to send message.
Nov 5 15:28:38 mdc fsmpm[2672]: Portmapper: File System RAS events
undeliverable to Coordinator '192.168.2.2'. Please upgrade Xsan on this
host.
Nov 5 15:28:38 mdc xsand[1905]: Synchronized with fsmpm after 6 seconds
Nov 5 15:28:38 mdc fsmpm[2672]: PortMapper: Local FSD client is
registered, on port 49450.
Nov 5 15:28:38 mdc fsmpm[2672]: PortMapper: launching configuration
reload thread
Nov 5 15:28:38 mdc fsmpm[2672]: PortMapper: fsmpm configuration reload
initiated (flags FFFFFFFF)
Nov 5 15:28:38 mdc fsmpm[2672]: PortMapper: fsmpm configuration reload
complete
Nov 5 15:28:39 mdc fsmpm[2672]: PortMapper: launching configuration
reload thread
Nov 5 15:28:39 mdc fsmpm[2672]: PortMapper: fsmpm configuration reload
initiated (flags FFFFFFFF)
Nov 5 15:28:39 mdc fsmpm[2672]: PortMapper: fsmpm configuration reload
complete
Nov 5 15:28:39 mdc fsmpm[2672]: Portmapper: File System RAS events
undeliverable to Coordinator '192.168.2.2'. Please upgrade Xsan on this
host.
Nov 5 15:29:30 mdc fsmpm[2672]: PortMapper: launching configuration
reload thread
Nov 5 15:29:30 mdc fsmpm[2672]: PortMapper: fsmpm configuration reload
initiated (flags FFFFFFFF)
Nov 5 15:29:30 mdc fsmpm[2672]: PortMapper: fsmpm configuration reload
complete
Nov 5 15:29:30 mdc fsmpm[2672]: PortMapper: Starting FSS service
'mail[0]' on mdc.serena.
Nov 5 15:29:30 mdc fsmpm[2672]: PortMapper: FSS 'mail'[0] (pid 2695) at
port 49510 is registered.
Nov 5 15:29:31 mdc fsmpm[2672]: Portmapper: File System RAS events
undeliverable to Coordinator '192.168.2.2'. Please upgrade Xsan on this
host.
Nov 5 15:29:31 mdc fsmpm[2672]: Portmapper: File System RAS events
undeliverable to Coordinator '192.168.2.3'. Please upgrade Xsan on this
host.
Nov 5 15:29:31 mdc fsmpm[2672]: PortMapper: Initiating activation vote
for FSS 'mail'.
Nov 5 15:29:35 mdc fsm[2695]: Xsan FSS 'mail[0]': Windows Security has
been turned off in config file but clients have been requested to
enforce ACLs. Windows Security remains in effect.
Nov 5 15:29:35 mdc com.apple.xsan[1905]: xsan:perfDispatchMicroseconds
= 255
Nov 5 15:29:35 mdc com.apple.xsan[1905]: xsan:perfFunctionMicroseconds
= 432
Nov 5 15:29:35 mdc fsm[2695]: Xsan FSS 'mail[0]': FSE: Unable to get
volume info for mail
Nov 5 15:29:36 mdc fsmpm[2672]: PortMapper: Mount Event for
/Volumes/mail on /dev/disk18
Nov 5 15:29:36 mdc com.apple.xsan[1905]: Filesystem mail mounted on
/Volumes/mail
Then i get this, like a network issue :
Nov 5 15:33:41 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x116c0bc30>
Nov 5 15:33:41 mdc Xsan Admin[2610]: ERROR: Error getting list of
volumes: kNetworkError (0)
Nov 5 15:33:42 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x1023dbc60>
Nov 5 15:33:42 mdc Xsan Admin[2610]: ERROR: Error reading volume
statistics for mail: kNetworkError (0)
Nov 5 15:33:43 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x1023c49e0>
Nov 5 15:33:44 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x102368380>
Nov 5 15:33:44 mdc Xsan Admin[2610]: ERROR: Error reading san
information: kNetworkError (0)Nov 5 15:33:46 mdc Xsan Admin[2610]:
XSAdminQueueController: gotServerError: kNetworkError forTransaction:
<XSAdminTransaction: 0x11904f6f0>
Nov 5 15:33:46 mdc Xsan Admin[2610]: ERROR: Error reading volume
statistics for mail: kNetworkError (0)
Nov 5 15:33:47 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x11904e300>
Nov 5 15:33:47 mdc Xsan Admin[2610]: ERROR: Error getting list of
volumes: kNetworkError (0)Nov 5 15:33:48 mdc Xsan Admin[2610]:
XSAdminQueueController: gotServerError: kNetworkError forTransaction:
<XSAdminTransaction: 0x1190492d0>
Nov 5 15:33:49 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x11904a470>
Nov 5 15:33:49 mdc Xsan Admin[2610]: ERROR: Error reading san
information: kNetworkError (0)
Nov 5 15:33:51 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x1190100a0>
Nov 5 15:33:51 mdc Xsan Admin[2610]: ERROR: Error reading san
information: kNetworkError (0)
Nov 5 15:33:52 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x11904bbe0>
Nov 5 15:33:52 mdc Xsan Admin[2610]: ERROR: Error reading volume
statistics for mail: kNetworkError (0)
Nov 5 15:33:53 mdc Xsan Admin[2610]: XSAdminQueueController:
gotServerError: kNetworkError forTransaction: <XSAdminTransaction:
0x1190503e0>Nov 5 15:33:53 mdc Xsan Admin[2610]: ERROR: Error getting
list of volumes: kNetworkError (0)
Nov 5 15:33:54 mdc fsm[2695]: Xsan FSS 'mail[0]': PANIC:
/Library/Filesystems/Xsan/bin/fsm "OpHangLimitSecs exceeded VOP-Class-0
Type-3 Subtype-2 362 ticks Conn[5] Thread-0x10cb40000 Pqueue-0x108e00038
Workp-0x10411c220 MsgQ-0x10411c208 Msg-0x10411c278 now 528 started 166
limit 360 (180 secs.) " file queues.c, line 588
Nov 5 15:33:54 mdc fsm[2695]: [2695] detected buffer overflow
Nov 5 15:33:54 mdc KernelEventAgent[59]: tid 00000000 received event(s)
VQ_NOTRESP (1)
Nov 5 15:33:54 mdc servermgrd[2752]: xsan: [2752/211190] ERROR:
get_fsmvol_at_index: Could not connect to FSM because Admin Tap
Connection to FSM failed: [errno 54]: Connection reset
by peer\nFSM may have too many connections active.
Nov 5 15:33:54 mdc KernelEventAgent[59]: tid 00000000 type 'acfs',
mounted on '/Volumes/mail', from '/dev/disk18', not responding
Nov 5 15:33:54 mdc KernelEventAgent[59]: tid 00000000 found 1
filesystem(s) with problem(s)
Then the volume is unmounted on all hosts.
Any help is welcome.
--
*Fabien COMBERNOUS*
/unix system engineer/
www.kezia.com <http://www.kezia.com/>
*Tel: +33 (0) 467 992 986*
Kezia Group
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