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--- linux_wiki:logical_volume_management_lvm [2018/03/07 09:33]
billdozor [Add Disk: Scan SCSI Bus]
+++ linux_wiki:logical_volume_management_lvm [2018/05/30 09:55]
billdozor [Delete Virtual Disk]
@@ Line 31: / Line 31: @@
 If adding a disk to a virtual machine and the new disk does not show up:
+\\
 **One Liner Method**<code bash>echo "- - -" > /sys/class/scsi_host/$(grep mpt /sys/class/scsi_host/host?/proc_name | grep -o -E '(host[0-9])')/scan</code>
+\\
 **Manual Method**
   * Find the host bus number<code bash>grep mpt /sys/class/scsi_host/host?/proc_name</code>
@@ Line 199: / Line 201: @@
 Login to the virtualization user interface and delete the old disk from inventory.
+\\
+**Errors During LVM Commands**
+  * If you see errors during LVM commands like this after a device delete from vmware<code bash>root@llsrlscd01 home $ pvs
+  /dev/sdc: read failed after 0 of 4096 at 0: Input/output error
+  /dev/sdc: read failed after 0 of 4096 at 17179803648: Input/output error
+  /dev/sdc: read failed after 0 of 4096 at 17179860992: Input/output error
+  /dev/sdc: read failed after 0 of 4096 at 4096: Input/output error
+  /dev/sdc1: read failed after 0 of 4096 at 17178755072: Input/output error
+  /dev/sdc1: read failed after 0 of 4096 at 17178812416: Input/output error
+  /dev/sdc1: read failed after 0 of 4096 at 0: Input/output error
+  /dev/sdc1: read failed after 0 of 4096 at 4096: Input/output error
+  PV         VG      Fmt  Attr PSize   PFree
+  /dev/sda2  vglocal lvm2 a--   19.50g 3.50g
+  /dev/sdd1  vglocal lvm2 a--  250.00g    0
+  /dev/sde1  vglocal lvm2 a--   40.00g    0</code>
+    * Fix by rebooting the system or<code bash>echo 1 > /sys/block/sdX/device/delete</code>
+      * Where "sdX" is the device, such as 'sdc' in the above example.
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