https://community.hpe.com/t5/disk/is-surface-scan-analysis-necessary-on-ssds/m-p/5557741#M8433 <P>Hi all,</P><P>&nbsp;</P><P>I'm having some difficulty finding info about whether surface scans are useful, harmful, or neither&nbsp;on a logical array (RAID 1) composed of solid state drives.</P><P>&nbsp;</P><P>On one hand, SSDs are incredibly less likely than traditional disks to suffer from physical corruption. Also, doesn't a scan create unnecessary activity on the disk and cut into the limited number of writes it can tolerate?</P><P>&nbsp;</P><P>On the other hand, from within version 8.70.9.0 of the Array Configuration Utility HP says (without specific reference to SSDs):</P><P>"Disabling Surface Scan Analysis is not recommended as it will prevent the controller from proactively finding and correcting disk surface errors, which may lead to data loss."</P><P>&nbsp;</P><P>So what does conventional wisdom have to say about scans on SSDs? Thanks in advance for your answers and opinions...</P> Mon, 20 Feb 2012 17:47:37 GMT WFHC-WI 2012-02-20T17:47:37Z https://community.hpe.com/t5/disk/is-surface-scan-analysis-necessary-on-ssds/m-p/5557741#M8433 <P>Hi all,</P><P>&nbsp;</P><P>I'm having some difficulty finding info about whether surface scans are useful, harmful, or neither&nbsp;on a logical array (RAID 1) composed of solid state drives.</P><P>&nbsp;</P><P>On one hand, SSDs are incredibly less likely than traditional disks to suffer from physical corruption. Also, doesn't a scan create unnecessary activity on the disk and cut into the limited number of writes it can tolerate?</P><P>&nbsp;</P><P>On the other hand, from within version 8.70.9.0 of the Array Configuration Utility HP says (without specific reference to SSDs):</P><P>"Disabling Surface Scan Analysis is not recommended as it will prevent the controller from proactively finding and correcting disk surface errors, which may lead to data loss."</P><P>&nbsp;</P><P>So what does conventional wisdom have to say about scans on SSDs? Thanks in advance for your answers and opinions...</P> Mon, 20 Feb 2012 17:47:37 GMT https://community.hpe.com/t5/disk/is-surface-scan-analysis-necessary-on-ssds/m-p/5557741#M8433 WFHC-WI 2012-02-20T17:47:37Z