Smá spurning um RAID kort og SFF8087 tengi.

[Tiger]

Sælir. Ég er svolítið ringlaður í leit mini að raid korti. Ég er búinn að finna kort sem mig langar í LSI 9260 4i eða 8i og þar kemur ruglingurinn inní hjá mér. 4i er með einum mini-SAS SFF-8087 x4 connector en 8i er með tveimur þannig. Þannig að ég hefði haldið að 4i kortið myndi geta tengt 4 diska við tengið og 8i kortið 8 diska með svona kapli.

En síðan stendur í spekkunum við kortin að þau geti bæði tengst allt að 32 HDD/ssd/sas devices...hvernig stendur á því? Og hvernig væri farið að því?

Sjá rauða hérna fyrir neðan.

Specifications
Mfr Part Number: LSI00202 (LSI9260-8I KIT)
Feature:
8x internal SATA+SAS ports
2x mini-SAS SFF-8087 x4 connector
6Gb/s throughput per port
LSISAS2108 RAID-on-Chip (ROC): 800MHz PowerPC
Low-profile MD2 form factor (6.6" X 2.536")
x8 PCI Express 2.0 host interface
512MB DDR2 cache (800MHz)
Optional battery backup unit (direct attach)
Connect upto 32 SATA and/or SAS devices
RAID levels 0, 1, 5 and 6
RAID spans 10, 50 and 60
Auto-resume on rebuild
Auto-resume on reconstruction
Online Capacity Expansion (OCE)
Online RAID Level Migration (RLM)
SafeStore Encryption Services: Instant secure erase
SSD support with SSD Guard
Global and dedicated hot spare with revertible hot spare support
Automatic rebuild
Enclosure affinity
Emergency SATA hot spare for SAS arrays
Single controller multipathing (failover)
I/O load balancing
Comprehensive RAID management suite
Connectors: 2x Mini SAS SFF8087 internal connectors
Device Support: Upto 32 SATA and/or SAS hard drive and SSDs
Host Bus Type: x8 lane PCI-Express 2.0 compliant
Data Transfer Rates: Upto 6Gb/s per port
I/O Processor/SAS Controller: LSISAS2108 RAID-on-Chip(ROC)
Cache Memory: 512MB DDR2-800 SDRAM integrated
Battery Backup Unit: Optional LSIiBBU07
RAID Data Protection Features:
RAID levels 0, 1, 5 and 6
RAID spans 10, 50 and 60
Online Capacity Expansion (OCE)
Online RAID Level Migration (RLM)
Auto resume after loss of system power during array rebuild or reconstruction (RLM)
Single controller Multipathing(failover)
Load balancing
Configure stripe size upto 1MB
Fast initialization for quick array setup
Check Consistency for background data integrity
Safestore Encryption Service- Instant Secure Erase
SSD Support with SSD Guard
Patrol read for media scanning and repairing
64 logical drive support
DDF compliant Configuration on Disk (COD)
Upto 64 TB LUN support
S.M.A.R.T support
Global and dedicated Hot Spare with Revertible Hot Spare support
Automatic rebuild
Enclosure affinity
Emergency SATA hot spare for SAS arrays
Enclosure management: SES (inband); SGPIO (sideband)
Operating Voltage: +3.3V
RAID Management (MegaRAID Management Suite): MegaRAID Storage Manager; MegaCLI (command-line interface); WebBIOS
Dimensions: MD2 Low Profile (6.6 x 2.536 inch)

Package Content: MegaRAID SAS 9260-8i, (2) 1-meter Mini-SAS to (4) SATA cables, QIG, LP bracket, Driver & Documentation CD




Specifications
Mfr Part Number: LSI00201 (LSI9260-4I KIT)
Feature:
4x internal SATA+SAS ports
1x mini-SAS SFF-8087 x4 connector
6Gb/s throughput per port
LSISAS2108 RAID-on-Chip (ROC): 800MHz PowerPC
Low-profile MD2 form factor (6.6" X 2.536")
PCI-Expressx 8 host interface
512MB DDR2 cache (800MHz)
Optional battery backup unit (direct attach)
Connect upto 32 SATA and/or SAS devices
RAID levels 0, 1, 5 and 6
RAID spans 10, 50 and 60
Auto-resume on rebuild
Auto-resume on reconstruction
Online Capacity Expansion (OCE)
Online RAID Level Migration (RLM)
SafeStore Encryption Services: Instant secure erase
SSD support with SSD Guard
Global and dedicated hot spare with revertible hot spare support
Automatic rebuild
Enclosure affinity
Emergency SATA hot spare for SAS arrays
Single controller multipathing (failover)
I/O load balancing
Comprehensive RAID management suite
Connectors: 1x Mini SAS SFF8087 internal connectors
Device Support: Upto 32 SATA and/or SAS hard drive and SSDs
Host Bus Type: x8 lane PCI-Express 2.0 compliant
Data Transfer Rates: Upto 6Gb/s per port
I/O Processor/SAS Controller: LSISAS2108 RAID-on-Chip(ROC)
Cache Memory: 512MB DDR2-800 SDRAM integrated
Battery Backup Unit: LSIiBBU07, an optional intelligent Battery Backup Unit that directly connects to the adapter
RAID Data Protection Features:
RAID levels 0, 1, 5 and 6
RAID spans 10, 50 and 60
Online Capacity Expansion (OCE)
Online RAID Level Migration (RLM)
Auto resume after loss of system power during array rebuild or reconstruction (RLM)
Single controller Multipathing(failover)
Load balancing
Configure stripe size upto 1MB
Fast initialization for quick array setup
Check Consistency for background data integrity
Safestore Encryption Service- Instant Secure Erase
SSD Support with SSD Guard
Patrol read for media scanning and repairing
64 logical drive support
DDF compliant Configuration on Disk (COD)
Upto 64 TB LUN support
S.M.A.R.T support
Global and dedicated Hot Spare with Revertible Hot Spare support
Automatic rebuild
Enclosure affinity
Emergency SATA hot spare for SAS arrays
Enclosure management: SES (inband); SGPIO (sideband)
Operating Voltage: +3.3V
Regulatory Certifications: EN55022, EN55024, EN60950; EN61000-3-3, FCC Class A, Class B; UL1950; UL; CSA C22.2; VCCI; BSMI; RRL for MIC
RAID Management (MegaRAID Management Suite): MegaRAID Storage Manager; MegaCLI (command-line interface); WebBIOS
OS Support: Extensive support includes Microsoft Windows Vista/ Server 2003/ 2000/ XP, Linux and more
Dimensions: MD2 Low Profile (6.6 x 2.536 inch)
Package Content: MegaRAID SAS 9260-4i, (1) 1-meter Mini-SAS to (4) SATA cable, QIG, LP bracket, Driver & Documentation CD

[Revenant]

Það er búið til eitt "master" módel sem styður 32 diska. Á ódýrari týpum er hinsvegar bara 1 tengi sett á (til að spara kostnað) sem styður 4 diska.

[Tiger]

Það er búið til eitt "master" módel sem styður 32 diska. Á ódýrari týpum er hinsvegar bara 1 tengi sett á (til að spara kostnað) sem styður 4 diska.

Sem þýðir að þessi kort styðja í raun bara 4 og 8 diska?

[Revenant]

Einmitt.
Þú sérð líka að það er talað um "device support" fyrir 32 diska en bara 4/8 port fyrir diska.

Feature:
8x internal SATA+SAS ports
2x mini-SAS SFF-8087 x4 connector

[Tiger]

Helvítis prump, þá þarf ég að fá mér 8i kortið sem er mun dýrara.

[AntiTrust]

Það er væntanlega verið að eiga við max fjölda diska með expander.