I upgraded a few IBM HS23 (7875G2M) blades' firmware (from 1.40 to 1.51) last week. After they booted up, I noticed there is a POST warning showing in the screen. Those blades do not have internal hard drives, as we install the ESXi on the USB drives. What the hell is the GPT corruption about!? … Continue reading False Alarm after IBM HS23 UEFI Firmware Upgrade
Category: Virtualization
TSM 6.4: Backup VMware VM Template
In TSM 6.4, there is a new parameter in the VMware backup options : -vmenabletemplatebackups If you want to backup the VMware VM template, you need to add '-vmenabletemplatebackups=yes' in your VMware backup job schedule options. Here is a example: update sched vmware Weekly_full OPTions='-vmfulltype=vstor -vmbackuptype=fullvm -asnodename=DATACENTER-01 -vmprocessvmwithindependent=yes -vmprocessvmwithprdm=yes -vmenabletemplatebackups=yes -domain.vmfull="vmfolder=Weekly-Backup" -MODE=FULL'
Run Hyper-V in HP EliteBook 8560W
To use Hyper-V in HP EliteBook 8560W, besides 'Virtual Technology' you also need to enable 'Data Execution Prevention' in BIOS, otherwise you will see the following error when you try to start the virtual machine.
Fail to quiesce a virtual machine while taking snapshot
The issue was firstly caught by TSM. The backup job of a virtual machine failed and the log shows 02/22/2014 04:09:37 ANS4015E Error processing 'virtual-machine-name': unexpected TSM error (115) encountered.My understanding is that the first step of TSM backup is to take a snapshot. So I tried to manually take a snapshot of the running virtual … Continue reading Fail to quiesce a virtual machine while taking snapshot
EVA Max IO Transfer Size
The HP EVA storage is optimized to perform at 128KB Max IO transfer size or less. If the host operating system uses large block size, it may reduce the storage performance. For example, ESXi use 32MB by default. To tune the value, you can go to host software advanced settings. Reference: http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/mostViewedDisplay/?javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken&javax.portlet.prp_efb5c0793523e51970c8fa22b053ce01=wsrp-navigationalState%3DdocId%253Dmmr_kc-0101662-8%257CdocLocale%253Dzh_HK&javax.portlet.tpst=efb5c0793523e51970c8fa22b053ce01&sp4ts.oid=436460&ac.admitted=1385425196533.876444892.199480143 http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/kb/docDisplay/?spf_p.tpst=kbDocDisplay&spf_p.prp_kbDocDisplay=wsrp-navigationalState%3DdocId%253Demr_na-c02518189-4%257CdocLocale%253D%257CcalledBy%253D&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1003469