search for: ihac

Displaying 8 results from an estimated 8 matches for "ihac".

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2008 Jun 13
1
Sun xVM Server Roadmap
Dear Experts, IHAC who interested in Sun''s xVM server. They would like to know when the xVM server will be available on Solaris. Thanks. Regards, Ray
2010 Jun 07
2
NOTICE: spa_import_rootpool: error 5
IHAC Who has an x4500(x86 box) who has a zfs root filesystem. They installed patches today, the latest solaris 10 x86 recommended patch cluster and the patching seemed to complete successfully. Then when they tried to reboot the box the machine would not boot? They get the following error NOTICE:...
2008 Jul 07
1
ZFS and Caching - write() syscall with O_SYNC
IHAC using ZFS in production, and he''s opening up some files with the O_SYNC flag. This affects subsequent write()''s by providing synchronized I/O file integrity completion. That is, each write(2) will wait for both the file data and file status to be physically updated. Because o...
2006 Aug 21
2
ZFS questions with mirrors
IHAC that is asking the following. any thoughts would be appreciated Take two drives, zpool to make a mirror. Remove a drive - and the server HANGS. Power off and reboot the server, and everything comes up cleanly. Take the same two drives (still Solaris 10). Install Veritas Volume Manager (4.1). Mirr...
2005 May 12
0
MAX_LUNS SIZE LIMIT ON RHEL 3.0 and 4.0
Dear List Users- IHAC planning storage layout and is looking for the following MAX_LUNS size limit on RHEL 3.0 and 4.0. Details are below. Customer database size is estimated to grow to 5 TB and worries that they will not be able to present enough devices to the system if used with EMC powerpath and RHEL 3.0 max_lun...
2010 Oct 27
0
OCFS2 CLUSTER HANG
Hi, IHAC with an OCFS2 1.4 2-node cluster in RedHat 5.3 x86-64. Basically for explanation simplicity the software uses the cluster for writing in a log file up to 500Mb size, among other things (file read, etc) Last monday there was a problem somewhere (software is a two-node application server) that caus...
2004 Nov 04
0
Samba 3.x performance bug?
Hello All, IHAC who is experiencing a strange samba problem, the problems started when they wanted to migrate a existing Samba installation onto a Sun Cluster node. They are running Sun Cluster 3.x on a 6800 with 12 CPUs, the operating environment is Solaris 8. Its a quite annoying problem, since the Samba insta...
2008 Jul 16
1
[Fwd: [Fwd: The results of iozone stress on NFS/ZFS and SF X4500 shows the very bad performance in read but good in write]]
Dear ALL, IHAC who would like to use Sun Fire X4500 to be the NFS server for the backend services, and would like to see the potential performance gain comparing to their existing systems. However the outputs of the I/O stress test with iozone show the mixed results as follows: * The read performance shar...