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There is separate Settings menu for various setup options. One is of course allowed to power on/off/cycle the box remotely. After booting into the BIOS/UEFI setup its possible to select from which drives to boot from.

interface port-channel128 description NAS02 switchport switchport access vlan vpc 128 # cat /etc/# NETWORK hostname="nas02.local" defaultrouter=".254" ifconfig_ixl0="up" ifconfig_ixl1="up" cloned_interfaces="lagg0" ifconfig_lagg0="laggproto lacp laggport ixl0 laggport ixl1 .2/24 up" # KERNEL MODULES kld_list="$ aesni" # DAEMON | YES zfs_enable=YES zfsd_enable=YES sshd_enable=YES ctld_enable=YES powerd_enable=YES # DAEMON | NFS SERVER nfs_server_enable=YES nfs_client_enable=YES rpc_lockd_enable=YES rpc_statd_enable=YES rpcbind_enable=YES mountd_enable=YES mountd_flags="-r" # OTHER dumpdev=NO # cat /boot/# BOOT OPTIONS autoboot_delay=3 label.disk_ident.enable=0 label.gptid.enable=0 # DISABLE INTEL HT machdep.hyperthreading_allowed=0 # UPDATE INTEL CPU MICROCODE AT BOOT BEFORE KERNEL IS LOADED cpu_microcode_load=YES cpu_microcode_name=/boot/firmware/# MODULES zfs_load=YES aio_load=YES # RACCT/RCTL RESOURCE LIMITS kern.racct.enable=1 # DISABLE MEMORY TEST @ BOOT hw.memtest.tests=0 # PIPE KVA LIMIT | 320 MB maxpipekva=335544320 # IPC shmseg=1024 shmmni=1024 shmseg=1024 semmns=512 semmnu=256 semume=256 semopm=256 semmsl=512 # LARGE PAGE MAPPINGS pg_ps_enabled=1 # ZFS TUNING prefetch_disable=1 cache_flush_disable=1 vdev.cache.size=16M arc_min=64G arc_max=96G # ZFS DISABLE PANIC ON STALE I/O deadman_enabled=0 # NEWCONS SUSPEND suspendswitch=0 # cat /etc/# ZFS ASHIFT min_auto_ashift=12 # SECURITY stack_guard_page=1 # SECURITY INTEL MDS (MICROARCHITECTURAL DATA SAMPLING) MITIGATION hw.mds_disable=3 # DISABLE ANNOYING THINGS kern.coredump=0 hw.syscons.bell=0 # IPC shmmax=4294967296 shmall=2097152 somaxconn=4096 maxsockbuf=5242880 shm_allow_removed=1 # NETWORK maxsockbuf=16777216 soacceptqueue=1024 tcp.recvbuf_max=8388608 tcp.sendbuf_max=8388608 tcp.mssdflt=1460 tcp.minmss=1300 tcp.syncache.rexmtlimit=0 tcp.syncookies=0 tcp.tso=0 ip.process_options=0 ip.random_id=1 ip.redirect=0 icmp.drop_redirect=1 tcp.always_keepalive=0 tcp.drop_synfin=1 tcp.fast_finwait2_recycle=1 tcp.icmp_may_rst=0 tcp.msl=8192 tcp.path_mtu_discovery=0 udp.blackhole=1 tcp.blackhole=2 tcp.hostcache.expire=7200 tcp.delacktime=20 This is with MTU 1500 – no Jumbo frames unfortunatelly 😦 Unfortunatelly this system has only one physical 10GE interface but I did other test also. That saturated the dual 10GE LACP on Free BSD side nicely. The disks were stressed only to about 55% which you can see in other useful Free BSD tool – # time blogbench -d . nr_seconds_between_samples How many seconds to average samples over. Free is vulnerable: www/py-requests -- Information disclosure vulnerability WWW: https://vuxml.

For example if the pool is mirrored, copies=2, and redundant_metadata=most, then ZFS stores 6 copies of most metadata, and 4 copies of data and some metadata.

Its not bloated, well organized and works quite fast.

you can create several separate user accounts or can connect to external user services like LDAP/AD/RADIUS for example. We have access to various Sensor information available with temperatures of system components.

Today I will show you how I have built so called Enterprise Storage based on Free BSD system along with more then 1 PB (Petabyte) of raw capacity.

I have build various storage related systems based on Free BSD: 2 x 10-Core Intel Xeon Silver 4114 CPU @ 2.20GHz 4 x 32 GB RAM DDR4 (128 GB Total) 2 x Intel SSD DC S3500 240 GB (System) 90 x Toshiba HDD MN07ACA12TE 12 TB (Data) 2 x Broadcom SAS3008 Controller 2 x Intel X710 DA-2 10GE Card 2 x Power Supply Price of the whole system is about 000 – drives included. One thing that you will need is a rack cabinet that is 1200 mm long to fit that monster 🙂 The so called Lights Out management interface is really nice.

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