Hi Experts, IHAC who using Solaris 10 + ZFS,two questions they're concerned:
- ZIL(zfs intent log) is enabled by default for ZFS,there are varied storage purchased by customer(such as EMC CX/DMX series,HDS AMS/USP series and etc),customer wonder whether there is any impact to these storages if enable ZIL,if have,what is the negative factors? - Under what circumstances,should I disable zil ? - If the device used by zpool is come from above listed external storage (EMC or HDS),what size is suggested for storage LUN ? As current rules,customer uses 100G for EMC CX,and 55G/110G for EMC DMX, and 52G for HDS USP V,100G for HDS AMS as LUN size,the filesystem over LUNs is UFS. Any reply are much appreciated,thanks in advance. Best Rgds, Simon
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