| Question |
| What are all the protocols it supports? |
| Answer |
| fcsi and iscsi for block cifs,nfs for nas |
| |
| Question |
| What utility is used to manage IBM storage ? |
| Answer |
| dsstorage manager for dsseries |
| |
| Question |
| |
| Which are the midrange storage models and protocols supported in IBM? |
| Answer |
| 1814,1816,1815,1724,1722,1818 supports fc and 2076 supports fc and iscsi and unifoed model support nas,cifs |
| |
| Question |
| Which are the unified model? |
| Answer |
| |
| 2073 |
| |
| Question |
| What all RAID levels are supported in 18XX series ? |
| |
| Answer |
| 0,1,5,6,10 |
| |
| Question |
| Is there any multipathing software available from IBM ? Or is it using OS native multipathing |
| Answer |
| yes sddpcm,sdddsm |
| |
| Question |
| Is it possible to upgrade firmware online ? or need to have a production downtime ? |
| |
| Answer |
| |
| yes f/w update is online process |
| |
| Question |
| Which license are require for mid range storage? |
| |
| Answer |
| |
| all premium feartures need licences, different licencse for copy services, storage partitioning |
| |
| Question |
| Any model support fcoe protocol ? |
| |
| Answer |
| v7000 supports |
| |
| Question |
| What all feature supported in ibm storage. |
| |
| Answer |
| All premium features like flash copy, remote mirroring, storage partitioning, volume copy |
| |
| Question |
| Whats is the difference between sddpcm,sdddsm ? |
| |
| Answer |
| Both are multipathing softwares sddpcm used for unix environment and sdddsm used for windows |
| |
| Question |
| Whats is the difference between sddpcm,sdddsm ? |
| |
| Answer |
| |
| Both are multipathing softwares sddpcm used for unix environment and sdddsm used for windows |
| |
| Question |
| How about replication in this group storages? |
| |
| Answer |
| It support both synchronous and asynchronous data replications |
| |
| Question |
| |
| What will be sequence need to be follow while doing strg firmware upgradation….disk/nvram/strg controller? |
| |
| Answer |
| It depends upon the storage models, and also certain bugs, always read the readme file which come along with software packages |
| |
| Question |
| What kind of businesses(clients) need to use midrange storages.. |
| Answer |
| |
| It depends on customer workload |
| |
| Question |
| What is FCSI protocol ? |
| Answer |
| fscsi is not a protocol in san data transmission occur on fcp |
| |
| Question |
| |
| What is the significance of Midrange in the product name |
| |
| Answer |
| Midrange means – Its IBM name conventions for its different storages, moreover MIdrange storages are the storages which supports customer Mid range applications, and the storage whose performance and througput are less than enterprise storages and more than entry level storages. It also depends on the cashe size and features it supports. |
| |
| Question |
| What is flash copy and volume copy? |
| |
| Answer |
| FlashCopy creates snapshot copies of entire logical volumes and Volume copy creates Replica of the logical volume . |
| |
| Question |
| |
| Do we need to stop the IO’s while take volume copy of a particular LUN in IBM mid range storages? |
| Answer |
| |
| Yes ….. |
| |
| Question |
| How will we analyze performance issues in IBM Midrange storages |
| |
| Answer |
| Collect the support data logs and performance data will also get captured . Analyse the same |
| |
| Question |
| Can we get the HDD FRU from the ASD? |
| Answer |
| It depends on Storage Model & storage Firmware. |
| |
| Question |
| |
| Do we need any storage manager client software for IBM V7000 storwize and unified like DS3k/4k/5k |
| Answer |
| No ….. we don’t require any manager software rather enter the management IP in URL to get the storage access |
| |
| Question |
| What is the latest firmware for DS4800 storage |
| Answer |
| 7.60.63.00 |
| |
| Question |
| What is the latest fw bundles version for v7000 storwize |
| Answer |
| 7.4.0.3 |
| |
| Question |
| What is the max size supported disk in ds4800 |
| Answer |
| |
| 300 GB 15,000 rpm 750 GB 7200 rpm drive |
| |
| Question |
| What is the command to check mdisk in v7000 with command line? |
| Answer |
| lsmdisk |
