TITLE
    Network Server 500 & 700: Hot Swappable Drives & RAID (9/96)
Article ID:
Created:
Modified: 		19380
2/21/96
9/13/96
TOPIC


    This article describes the need for an optional Network Server PCI RAID Card at RAID level 5 for hot swappable drives.

DISCUSSION


    The Network Server 500 and Network Server 700 contain a flexible SCSI backplane that allows the easy removal and insertion of SCSI devices. The removal or insertion of a SCSI device while the system is running causes a reset of the SCSI bus. The ability to handle the SCSI reset is operating-system dependent. AIX does not have the ability to handle this reset, which may lead to data corruption when the reset occurs. The optional Network Server PCI RAID Card, M4030Z/A, buffers the AIX operating system from the consequences of drive insertion and removal when the drive is part of a RAID configuration setup for RAID Level 5.

    In summary: hot-swapping drives on the Network Server 500 and 700 requires that the drives be part of a RAID Level 5 configuration with the Apple Network Server PCI RAID Disk Array Card.

    This article was published in the Information Alley on 13 September 1996.

    Article Change History:
    12 Sep 1996 - Added more details.
    26 Feb 1996 - Changed distribution status.



Document Information
Product Area: Computers
Category: Apple Network Server
Sub Category: Network Server 500 & 700
Keywords: supt,hts,ksts,kalley

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