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RTM-ATCA-SXXX Overview
6806800H62B ATCA‐S201InstallationandUseGuide69
6.2.1.1 Disk view refresh, Re-draw Tree button
The physical disk assignments change as disks become utilized in a RAID definitions.
Use the “Re-Draw Tree” button to rescan for physical disks, and refresh the menu
view.
Re‐DrawTree
6.2.1.2 Rescan SAS Topology
If the disk configuration is not displaying properly, users can rescan the SAS
topology, using the button located on the Maintenance menu page.
RescanSAStopology
6.2.1.3 Software Reset SAS Controller
If the disk configuration is not displaying properly, users can issue a software-reset
signal to the embedded SAS controller using the button located on the Maintenance
menu page. If users have hot-swapped many disks, this ensures the SAS controller
has completely purged internal tables, and is properly presenting the new or
remaining disks to the operating system.
SoftwareresetSAScontroller
6.2.2 View physical disk properties
Additional property informational is available for each physical disk. These may be
viewed by clicking the individual device (e.g. /dev/sda), which opens the menu
shown below.
Emerson ATCA-S201
iSCSI
nfs
smb
Shares
LVM2
MD RAID
Hardware RAID
Physica l Disks
/dev/sda
/dev/sdb
/dev/sdc
Maintenance
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ATCA-S201 ATCA-S201 Physical Disk /dev/sda Status
Device
Name
State
Type
Parent Host
Bus
Target
LUN
Vendor
Model Rev
/dev/sda Online
Raw
Unknown
0 0
19 0 ATA
64G SATA
Flash D
401A