smr

Do not use SMR disks with Ceph

Do not use SMR disks with Ceph 1500 1000 Wido den Hollander

Many new disks like the Seagate He8 disks are using a technique called Shingled Magnetic Recording to increase capacity. As these disks offer a very low price per Gigabyte they seem interesting to use in a Ceph cluster. Performance Due to the nature of SMR these disks are very, very, very bad when it comes…

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