Archive for June, 2009
Things to keep in mind when replacing a PS on SF6800/6900
What could be easier than swapping a power supply?! True, very true but not when you’re dealing with SF6800/6900. The problem rises from the fact that it’s quite tough to insert a PSU into its bay because of a tight fitting. And there is a chance to make a pause during the insertion that could […]
Oracle’s option that neglects DR on SUN
I’m in no way an Oracle expert and my opinion has no influence but still I’d like to point out on a ridiculously stupid behavior caused by a hidden Oracle’s parameter called _enable_NUMA_optimization. As I’ve been told by our DBAs, in Oracle 9 this option was set to FALSE but in Oracle 10.2.0.1 they decided […]
Disable mpxio per vendor basis
If you ever wondered about disabling mpxio not only per port but per vendor basis then you’d be surprised to know how easy it’s really to fulfill. Just edit /kernel/drv/scsi_vhci.conf file appropriately: device-type-scsi-options-list = “VendorID1ProductID1”, “disable-option”, “VendorID2ProductID2”, “disable-option”, … “VendorIDnProductIDn”, “disable-option”; disable-option = 0x7000000; So if you, just like me, want to disable mpxio for […]
vxdmpadm path activate weirdness
Just stumbled upon a strange behavior of vxdmpadm which requires further investigation. The problem I’ve faced with during an attempt to set certain path “active” to loadbalance the data flow on HDS between its controllers. The built-in help clearly states that: # vxdmpadm setattr help vxdmpadm setattr path pathtype= pathtype can be either: active nomanual […]
In: Veritas · Tagged with: VxVM
Moving to my own domain
Just a quick update on what’s happening here ;-) I’ve finally overcome my laziness and purchased a VPS, this is a subject for another post, quickly configured LAMP environment and installed WordPress so during the next few days or maybe even weeks, because currently I’m short on a free time, this site will be in […]
Rock is dead?
I do hope that at least this rumor is a pure speculation even it sounds convincing. Otherwise the future of Sun’s hardware business after the deal with Oracle is over looks increasingly dismal.
Data restoration from tape
Recently I had to restore some data from a tape written by means of Netbackup, so solely for the reference purposes I decided to write this short post. First we need to mount the tape, I did this using robtest utility, and perfrom a robot’s inventory to make Netbackup aware about a new tape. Keep […]
In: Veritas · Tagged with: NetBackup
Handful of links
Just came across a very useful blog note full of the essential Solaris papers. Solaris white album: essential papers. Noticed that some of these documents were lately released imprinted verbatim in “Solaris Internals” book.
Identifying a broken disk in HP DL360
Since I don’t have great level of experience with HP DL series I was puzzled for a bit when I found out that one of the disk was broken. How I did that? Easy, by gazing at the “Faulty Led” that went steadily on. Not bad but I wanted to be able to grab more […]
Missing voolboot file
If executing ” vxdctl enable” you receive the following error: VxVM vxdctl ERROR V-5-1-1589 enable failed: Volboot file not loaded then this sequence could help you to resolve the problem: vxio set 10 vxconfigd -d vxdctl init vxdctl enable Good luck.
In: Veritas · Tagged with: VxVM