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Full Discussion: ZFS Filesystem
Operating Systems Solaris ZFS Filesystem Post 302953502 by jlliagre on Friday 28th of August 2015 03:54:13 PM
Old 08-28-2015
Quote:
Originally Posted by achenle
Shouldn't impact performance at all. Database IO isn't going to go through the ARC - it'll be either direct IO or synchronous.
The metadata will still need to be cached though. Note that zfs_arc_max is being deprecated with Solaris 11.2. The new dynamically tunable user_reserve_hint_pct allows much more flexibility.
 

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arcmsr(7D)							      Devices								arcmsr(7D)

NAME
arcmsr - SAS and SATA HBA driver for Areca Hardware Raid devices DESCRIPTION
The arcmsr host bus adapter driver is a SCSA-compliant nexus driver that supports Areca Technology SAS and SATA RAID devices. Supported SATA RAID cards: ARC-1110 pci17d3,1110 ARC-1120 pci17d3,1120 ARC-1130 pci17d3,1130 ARC-1160 pci17d3,1160 ARC-1170 pci17d3,1170 ARC-1201 pci17d3,1201 ARC-1210 pci17d3,1210 ARC-1220 pci17d3,1220 ARC-1230 pci17d3,1230 ARC-1260 pci17d3,1260 ARC-1270 pci17d3,1270 ARC-1280 pci17d3,1280 Supported SAS RAID cards: ARC-1380 pci17d3,1380 ARC-1381 pci17d3,1381 ARC-1680 pci17d3,1680 ARC-1681 pci17d3,1681 CONFIGURATION
There are no user configurable parameters available. Please configure your hardware through the host system BIOS. FILES
/kernel/drv/arcmsr 32-bit ELF kernel module. /kernel/drv/amd64/arcmsr 64-bit kernel module (x64 only). /kernel/drv/arcmsr.conf Driver configuration file (contains no user-configurable options). ATTRIBUTES
See attributes(5) for a description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Architecture |x86, x64 only | +-----------------------------+-----------------------------+ |Availability |SUNWarcmsr | +-----------------------------+-----------------------------+ SEE ALSO
prtconf(1M), attributes(5), scsi_hba_attach_setup(9F), scsi_sync_pkt(9F), scsi_transport(9F), scsi_inquiry(9S), scsi_device(9S), scsi_pkt(9S) Small Computer System Interface-2 (SCSI-2) http://www.areca.com.tw/products/main.htm http://developer.intel.com/design/iio/index.htm --(Intel Corp IO processors provide the underlying RAID engine for the supported devices). SunOS 5.11 28 Feb 2008 arcmsr(7D)
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