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

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svcmon web gui


If you have ever used svcmon that you should find that it is not convenient to check the report. Basically, you have to go to the folder to view the graph one by one. What if you want to view the history graphs of same vidsk or mdisk? It should be easy to present on … Continue reading svcmon web gui

Install IBM V7000 Storage Management Pack in SCOM


1) Create a AD group (e.g IBM_V7000_Monitor) and add the SCOM service account in. Then link the AD group in the V7000 remote LDAP access.2) Download the IBM Storage MP from IBM fix central then install it on the SCOM server. Choose custom installation to remove the unnecessary components. In my case, I only install … Continue reading Install IBM V7000 Storage Management Pack in SCOM

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

Adding host failed due to too many hidden snapshots


Be careful with taking snapshots intentionally or unintentionally, it will not only decrease the virtual machine performance but also will prevent the host from being added to the vCenter DRS cluster. For most time, we focus on looking after the snapshots that be taken intentionally, but generally pay less attention to the snapshots that be … Continue reading Adding host failed due to too many hidden snapshots