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Top Forums UNIX for Dummies Questions & Answers Allocating Unallocated Drive Space from a SAN to a filesystem Post 302887751 by cjcox on Monday 10th of February 2014 03:54:17 PM
Old 02-10-2014
Often times you expose a new LUN which serves as the device for the filesystem. Then the OS just needs to scan and find the new LUN. IBM does make devices that portray more physical defined objects (looking like DASD) though. Hard to give specifics without knowing more about your SAN env (especially the storage unit).
 

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GRUB-PROBE(3)						     Library Functions Manual						     GRUB-PROBE(3)

NAME
grub-probe -- Probe device information for a given path. SYNOPSIS
grub-probe [-m | --device-map=FILE] [-t | --target=(fs|fs_uuid|fs_label|drive|device|partmap| abstraction|cryptodisk_uuid| msdos_parttype)] [-v | --verbose] (PATH|DEVICE) DESCRIPTION
grub-probe probes a path or device for filesystem and related information. OPTIONS
--device Final option represents a DEVICE, rather than a filesystem PATH. --device-map=FILE Use FILE as the device map. The default value is /boot/grub/device.map. --target=(fs|fs_uuid|fs_label|drive|device|partmap|msdos_parttype) Select among various output definitions. The default is fs. fs filesystem module fs_uuid filesystem UUID fs_label filesystem label drive GRUB drive name device System device partmap partition map module abstraction abstraction module cryptodisk_uuid cryptographic container msdos_partmap MS-DOS partition map --verbose Print verbose output. (PATH|DEVICE) If --device is passed, a block DEVICE. Otherwise, the PATH of a file on the filesystem. SEE ALSO
info grub Wed Feb 26 2014 GRUB-PROBE(3)
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