专利名称：Performing discard commands on RAID
storage devices
发明人：Mikulá{hacek over (s)} Pato{hacek over
(c)}ka,Michael A. Snitzer
申请号：US14679376申请日：20150406公开号：US09588693B2公开日：20170307
专利附图：
摘要：An example method for performing discard commands on Redundant Array ofIndependent Disks (RAID) devices may comprise receiving a request to free a range of
logical sectors that is mapped to a plurality of storage devices organized as RAID. Themethod may further comprise identifying a first physical sector number corresponding toa first logical sector having a lowest number greater or equal than a starting logicalsector number of the range of logical sectors. The method may further compriseidentifying a second physical sector number corresponding to a second logical sectorhaving a lowest number greater or equal than an ending logical sector number of therange of logical sectors. The method may further comprise issuing a single command toall of the plurality of storage devices to free a range of sectors identified by the firstphysical sector number and the second physical sector number.
申请人：Red Hat, Inc.
地址：Raleigh NC US
国籍：US
代理机构：Lowenstein Sandler LLP
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